/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.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:43:48,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:43:48,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:43:48,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:43:48,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:43:48,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:43:48,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:43:48,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:43:48,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:43:48,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:43:48,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:43:48,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:43:48,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:43:48,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:43:48,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:43:48,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:43:48,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:43:48,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:43:48,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:43:48,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:43:48,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:43:48,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:43:48,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:43:48,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:43:48,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:43:48,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:43:48,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:43:48,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:43:48,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:43:48,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:43:48,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:43:48,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:43:48,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:43:48,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:43:48,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:43:48,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:43:48,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:43:48,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:43:48,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:43:48,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:43:48,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:43:48,804 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 15:43:48,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:43:48,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:43:48,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:43:48,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:43:48,862 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:43:48,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:43:48,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:43:48,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:43:48,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:43:48,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:43:48,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:43:48,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:43:48,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:43:48,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:43:48,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:43:48,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:43:48,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:43:48,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:43:48,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:43:48,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:43:48,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:43:48,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:43:48,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:43:48,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:43:48,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:43:48,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:43:48,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:43:48,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:43:48,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:43:48,868 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 15:43:49,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:43:49,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:43:49,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:43:49,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:43:49,220 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:43:49,220 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2020-10-13 15:43:49,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/294faa2c4/674c76bff4dd49cc8fc45b07382356f2/FLAGcc31739ff [2020-10-13 15:43:49,769 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:43:49,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2020-10-13 15:43:49,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/294faa2c4/674c76bff4dd49cc8fc45b07382356f2/FLAGcc31739ff [2020-10-13 15:43:50,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/294faa2c4/674c76bff4dd49cc8fc45b07382356f2 [2020-10-13 15:43:50,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:43:50,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:43:50,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:43:50,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:43:50,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:43:50,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:43:50" (1/1) ... [2020-10-13 15:43:50,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25814f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50, skipping insertion in model container [2020-10-13 15:43:50,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:43:50" (1/1) ... [2020-10-13 15:43:50,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:43:50,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:43:50,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:43:50,473 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:43:50,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:43:50,629 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:43:50,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50 WrapperNode [2020-10-13 15:43:50,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:43:50,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:43:50,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:43:50,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:43:50,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2020-10-13 15:43:50,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2020-10-13 15:43:50,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2020-10-13 15:43:50,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2020-10-13 15:43:50,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2020-10-13 15:43:50,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2020-10-13 15:43:50,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2020-10-13 15:43:50,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:43:50,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:43:50,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:43:50,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:43:50,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (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 15:43:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:43:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:43:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:43:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:43:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:43:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:43:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:43:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:43:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:43:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:43:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:43:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:43:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:43:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:43:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:43:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:43:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:43:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:43:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:43:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:43:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:43:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:43:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:43:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:43:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:43:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:43:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:43:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:43:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:43:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:43:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:43:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:43:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:43:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:43:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:43:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:43:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:43:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:43:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:43:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:43:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:43:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:43:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:43:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:43:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:43:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:43:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:43:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:43:51,290 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:43:51,290 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 15:43:51,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:43:51 BoogieIcfgContainer [2020-10-13 15:43:51,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:43:51,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:43:51,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:43:51,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:43:51,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:43:50" (1/3) ... [2020-10-13 15:43:51,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16dc22fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:43:51, skipping insertion in model container [2020-10-13 15:43:51,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (2/3) ... [2020-10-13 15:43:51,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16dc22fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:43:51, skipping insertion in model container [2020-10-13 15:43:51,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:43:51" (3/3) ... [2020-10-13 15:43:51,310 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-1.c [2020-10-13 15:43:51,322 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:43:51,335 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:43:51,350 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:43:51,389 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:43:51,389 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:43:51,389 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:43:51,390 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:43:51,390 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:43:51,390 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:43:51,390 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:43:51,391 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:43:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-10-13 15:43:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:43:51,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:43:51,429 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] [2020-10-13 15:43:51,430 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:43:51,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:43:51,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1715943758, now seen corresponding path program 1 times [2020-10-13 15:43:51,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:43:51,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1218622108] [2020-10-13 15:43:51,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:43:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:51,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:51,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:52,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:52,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:52,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:52,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:53,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:53,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:53,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:54,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:54,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:56,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:56,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:43:56,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 15:43:56,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 15:43:56,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:56,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:43:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 15:43:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:43:56,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 15:43:56,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:43:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:56,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:56,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:43:56,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:43:56,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:43:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:43:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:43:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:56,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:43:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:56,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:56,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:56,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:43:56,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:56,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:43:56,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:43:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:43:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:43:56,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:56,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:43:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:56,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:56,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:56,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:43:56,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:56,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:43:56,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:56,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:43:56,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:43:56,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:43:56,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:56,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:43:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:56,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:56,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:43:56,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:56,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:43:56,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:43:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:43:56,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:43:56,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:56,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:43:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:56,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:56,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:56,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:43:56,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:56,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:43:56,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:43:56,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:43:56,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:43:56,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:56,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:43:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:56,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:56,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:57,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:57,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:57,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:43:57,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:43:57,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 765 [2020-10-13 15:43:57,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:57,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:43:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:43:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:43:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:57,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:43:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:57,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:57,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:57,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:43:57,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:57,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:43:57,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:43:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:43:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:43:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:57,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:43:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:57,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:57,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:57,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:43:57,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:57,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:43:57,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:43:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:43:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:43:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:57,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:43:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:57,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:57,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:57,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:43:57,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:43:57,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:43:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:43:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:43:57,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:57,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:43:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:57,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:57,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:43:57,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:57,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:43:57,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:57,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:43:57,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:43:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:43:57,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:43:57,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:43:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:43:57,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:43:57,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:43:57,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:43:57,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:43:57,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:43:57,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:43:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:43:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:43:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:43:57,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:43:57,877 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 15:43:57,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1218622108] [2020-10-13 15:43:57,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:43:57,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:43:57,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511775670] [2020-10-13 15:43:57,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:43:57,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:43:57,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:43:57,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:43:57,912 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 10 states. [2020-10-13 15:44:00,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:00,250 INFO L93 Difference]: Finished difference Result 434 states and 674 transitions. [2020-10-13 15:44:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:44:00,252 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:44:00,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:00,269 INFO L225 Difference]: With dead ends: 434 [2020-10-13 15:44:00,270 INFO L226 Difference]: Without dead ends: 269 [2020-10-13 15:44:00,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:44:00,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-13 15:44:00,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 170. [2020-10-13 15:44:00,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-13 15:44:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 228 transitions. [2020-10-13 15:44:00,357 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 228 transitions. Word has length 91 [2020-10-13 15:44:00,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:00,358 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 228 transitions. [2020-10-13 15:44:00,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:44:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2020-10-13 15:44:00,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:44:00,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:00,363 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] [2020-10-13 15:44:00,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:44:00,364 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:00,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:00,364 INFO L82 PathProgramCache]: Analyzing trace with hash -550437428, now seen corresponding path program 1 times [2020-10-13 15:44:00,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:00,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1408508859] [2020-10-13 15:44:00,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:00,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:00,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:00,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:00,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:00,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:00,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:00,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:00,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:01,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:44:05,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 15:44:05,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 15:44:05,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:44:05,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-13 15:44:05,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:44:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:05,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:05,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:05,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:05,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:05,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:05,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:05,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:05,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:05,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:05,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:05,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:05,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:05,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:05,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:05,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:05,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:05,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:05,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:05,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:05,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:05,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:05,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:05,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:44:05,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:05,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:05,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:05,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:44:05,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 15:44:05,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:44:05,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 15:44:05,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:44:05,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:05,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:05,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:44:05,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:05,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:05,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:44:05,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:44:05,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:05,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:44:05,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:05,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:05,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:05,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:44:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:05,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:44:05,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:05,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:44:05,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:05,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:44:05,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:05,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:05,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:05,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:05,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:05,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:05,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:05,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:44:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:05,776 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 15:44:05,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1408508859] [2020-10-13 15:44:05,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:44:05,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:44:05,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702535064] [2020-10-13 15:44:05,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:44:05,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:05,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:44:05,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:44:05,783 INFO L87 Difference]: Start difference. First operand 170 states and 228 transitions. Second operand 10 states. [2020-10-13 15:44:07,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:07,883 INFO L93 Difference]: Finished difference Result 422 states and 624 transitions. [2020-10-13 15:44:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:44:07,888 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:44:07,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:07,895 INFO L225 Difference]: With dead ends: 422 [2020-10-13 15:44:07,895 INFO L226 Difference]: Without dead ends: 273 [2020-10-13 15:44:07,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:44:07,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-13 15:44:07,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 175. [2020-10-13 15:44:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-13 15:44:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 233 transitions. [2020-10-13 15:44:07,952 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 233 transitions. Word has length 91 [2020-10-13 15:44:07,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:07,953 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 233 transitions. [2020-10-13 15:44:07,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:44:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 233 transitions. [2020-10-13 15:44:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:44:07,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:07,963 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] [2020-10-13 15:44:07,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:44:07,964 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:07,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:07,964 INFO L82 PathProgramCache]: Analyzing trace with hash -302290934, now seen corresponding path program 1 times [2020-10-13 15:44:07,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:07,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600292208] [2020-10-13 15:44:07,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:07,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:08,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:08,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:08,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:08,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:08,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:08,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:08,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:08,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:10,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:12,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:12,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:44:12,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 15:44:12,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:44:12,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:12,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:44:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-13 15:44:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:44:12,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:13,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:13,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:13,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:13,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:13,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:13,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:13,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:13,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:13,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:13,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:13,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:13,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:13,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:13,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:13,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:44:13,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:44:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:44:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:44:13,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:13,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:13,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:13,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:13,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:13,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:13,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:13,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:13,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:44:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:44:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:13,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:44:13,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:44:13,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:13,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:13,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:13,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:13,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:13,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:13,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:13,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:44:13,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:13,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:13,208 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 15:44:13,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600292208] [2020-10-13 15:44:13,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:44:13,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:44:13,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835031971] [2020-10-13 15:44:13,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:44:13,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:13,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:44:13,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:44:13,211 INFO L87 Difference]: Start difference. First operand 175 states and 233 transitions. Second operand 10 states. [2020-10-13 15:44:15,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:15,104 INFO L93 Difference]: Finished difference Result 431 states and 632 transitions. [2020-10-13 15:44:15,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:44:15,105 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:44:15,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:15,110 INFO L225 Difference]: With dead ends: 431 [2020-10-13 15:44:15,110 INFO L226 Difference]: Without dead ends: 277 [2020-10-13 15:44:15,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:44:15,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-13 15:44:15,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 180. [2020-10-13 15:44:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-13 15:44:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 238 transitions. [2020-10-13 15:44:15,142 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 238 transitions. Word has length 91 [2020-10-13 15:44:15,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:15,142 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 238 transitions. [2020-10-13 15:44:15,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:44:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2020-10-13 15:44:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:44:15,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:15,145 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] [2020-10-13 15:44:15,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:44:15,145 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:15,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:15,145 INFO L82 PathProgramCache]: Analyzing trace with hash -229904376, now seen corresponding path program 1 times [2020-10-13 15:44:15,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:15,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138535129] [2020-10-13 15:44:15,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:15,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:15,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:15,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:15,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:15,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:15,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:15,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:16,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:16,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:17,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:44:20,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 15:44:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:44:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:44:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:44:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 15:44:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:20,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:44:20,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:44:20,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:20,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:20,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:44:20,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:20,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:20,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:44:20,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:20,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:20,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:20,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:20,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:44:20,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:20,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:44:20,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:44:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:44:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:44:20,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:20,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:44:20,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:44:20,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:20,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:20,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:20,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:20,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:20,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:20,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:20,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:20,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:20,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:44:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:20,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:20,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:20,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:20,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:20,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:20,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:20,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:44:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:20,406 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 15:44:20,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138535129] [2020-10-13 15:44:20,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:44:20,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:44:20,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192509595] [2020-10-13 15:44:20,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:44:20,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:20,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:44:20,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:44:20,409 INFO L87 Difference]: Start difference. First operand 180 states and 238 transitions. Second operand 10 states. [2020-10-13 15:44:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:21,669 INFO L93 Difference]: Finished difference Result 435 states and 621 transitions. [2020-10-13 15:44:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:44:21,669 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:44:21,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:21,674 INFO L225 Difference]: With dead ends: 435 [2020-10-13 15:44:21,675 INFO L226 Difference]: Without dead ends: 275 [2020-10-13 15:44:21,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:44:21,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-13 15:44:21,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 180. [2020-10-13 15:44:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-13 15:44:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 235 transitions. [2020-10-13 15:44:21,733 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 235 transitions. Word has length 91 [2020-10-13 15:44:21,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:21,733 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 235 transitions. [2020-10-13 15:44:21,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:44:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 235 transitions. [2020-10-13 15:44:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:44:21,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:21,742 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] [2020-10-13 15:44:21,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:44:21,742 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:21,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:21,743 INFO L82 PathProgramCache]: Analyzing trace with hash 724035782, now seen corresponding path program 1 times [2020-10-13 15:44:21,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:21,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721751190] [2020-10-13 15:44:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:21,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:21,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:21,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:21,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:21,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:21,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:22,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:22,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:44:23,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 15:44:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1933 [2020-10-13 15:44:23,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:44:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:44:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 15:44:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:23,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:44:23,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:44:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:23,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:23,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:23,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:23,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:44:23,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:23,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:23,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:44:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:23,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:23,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:23,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:23,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:44:23,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:23,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:44:23,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:44:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:44:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:44:23,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:23,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:44:23,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:44:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:23,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:23,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:23,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:23,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:23,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:23,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:23,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:23,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:23,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:23,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:44:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:23,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:23,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:23,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:23,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:23,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:23,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:23,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:23,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:44:23,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:23,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:23,900 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 15:44:23,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721751190] [2020-10-13 15:44:23,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:44:23,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:44:23,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502082617] [2020-10-13 15:44:23,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:44:23,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:23,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:44:23,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:44:23,903 INFO L87 Difference]: Start difference. First operand 180 states and 235 transitions. Second operand 10 states. [2020-10-13 15:44:25,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:25,350 INFO L93 Difference]: Finished difference Result 435 states and 612 transitions. [2020-10-13 15:44:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:44:25,351 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:44:25,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:25,354 INFO L225 Difference]: With dead ends: 435 [2020-10-13 15:44:25,354 INFO L226 Difference]: Without dead ends: 275 [2020-10-13 15:44:25,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:44:25,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-13 15:44:25,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 180. [2020-10-13 15:44:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-13 15:44:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 232 transitions. [2020-10-13 15:44:25,377 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 232 transitions. Word has length 91 [2020-10-13 15:44:25,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:25,377 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 232 transitions. [2020-10-13 15:44:25,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:44:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2020-10-13 15:44:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:44:25,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:25,379 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] [2020-10-13 15:44:25,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:44:25,380 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:25,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:25,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1431110090, now seen corresponding path program 1 times [2020-10-13 15:44:25,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:25,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575781149] [2020-10-13 15:44:25,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:25,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:25,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:25,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:25,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:25,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:25,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:26,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:26,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:44:27,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 15:44:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1929 [2020-10-13 15:44:27,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:44:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:44:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 15:44:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:27,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:27,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:44:27,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:44:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:27,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:27,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:27,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:27,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:27,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:44:27,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:27,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:27,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:44:27,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:27,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:27,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:27,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:27,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:44:27,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:27,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:27,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:44:27,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:44:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:44:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:44:27,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:27,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:27,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:44:27,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:44:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:27,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:27,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:27,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:27,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:27,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:27,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:27,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:27,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:27,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:27,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:27,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:27,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:27,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:27,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:44:27,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:27,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:44:27,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:27,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:27,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:27,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:27,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:27,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:27,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:27,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:44:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:27,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:27,565 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 15:44:27,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575781149] [2020-10-13 15:44:27,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:44:27,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:44:27,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815629468] [2020-10-13 15:44:27,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:44:27,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:27,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:44:27,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:44:27,570 INFO L87 Difference]: Start difference. First operand 180 states and 232 transitions. Second operand 10 states. [2020-10-13 15:44:29,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:29,418 INFO L93 Difference]: Finished difference Result 528 states and 765 transitions. [2020-10-13 15:44:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:44:29,418 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:44:29,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:29,423 INFO L225 Difference]: With dead ends: 528 [2020-10-13 15:44:29,423 INFO L226 Difference]: Without dead ends: 368 [2020-10-13 15:44:29,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:44:29,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-10-13 15:44:29,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 226. [2020-10-13 15:44:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-13 15:44:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 282 transitions. [2020-10-13 15:44:29,455 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 282 transitions. Word has length 91 [2020-10-13 15:44:29,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:29,456 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 282 transitions. [2020-10-13 15:44:29,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:44:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 282 transitions. [2020-10-13 15:44:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:44:29,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:29,459 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] [2020-10-13 15:44:29,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:44:29,460 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:29,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:29,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1027136503, now seen corresponding path program 1 times [2020-10-13 15:44:29,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:29,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087118827] [2020-10-13 15:44:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:29,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:29,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:29,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:29,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:29,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:29,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:29,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:30,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:30,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:44:30,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:44:30,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1350 [2020-10-13 15:44:30,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:30,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:44:30,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:44:30,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 15:44:30,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:30,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:30,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:30,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:30,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:30,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:30,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:44:30,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:30,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:44:30,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:30,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:30,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:30,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:30,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:30,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:30,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:44:30,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:30,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:30,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:30,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:30,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:30,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:30,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:30,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:44:30,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:30,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:30,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:30,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:30,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:30,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:30,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:30,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:44:30,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:30,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:30,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:30,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:30,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:44:30,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:44:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:44:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:44:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:31,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:31,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:31,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:31,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:31,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:44:31,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:44:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:31,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:31,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:31,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:31,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:31,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:31,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:31,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:31,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:31,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:31,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:31,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:31,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:31,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:31,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:31,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:31,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:31,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:31,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:31,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:31,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:31,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:31,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:31,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:31,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:31,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:31,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:31,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:31,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:31,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:31,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:31,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:31,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:31,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:31,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:31,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:31,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:44:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:31,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:31,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:31,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:31,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:31,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:31,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:31,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:31,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:44:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:31,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:31,086 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 15:44:31,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087118827] [2020-10-13 15:44:31,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:44:31,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:44:31,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663260720] [2020-10-13 15:44:31,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:44:31,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:31,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:44:31,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:44:31,090 INFO L87 Difference]: Start difference. First operand 226 states and 282 transitions. Second operand 10 states. [2020-10-13 15:44:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:33,436 INFO L93 Difference]: Finished difference Result 750 states and 1017 transitions. [2020-10-13 15:44:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:44:33,437 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:44:33,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:33,441 INFO L225 Difference]: With dead ends: 750 [2020-10-13 15:44:33,442 INFO L226 Difference]: Without dead ends: 544 [2020-10-13 15:44:33,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:44:33,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-10-13 15:44:33,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 380. [2020-10-13 15:44:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-10-13 15:44:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 481 transitions. [2020-10-13 15:44:33,505 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 481 transitions. Word has length 91 [2020-10-13 15:44:33,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:33,505 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 481 transitions. [2020-10-13 15:44:33,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:44:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 481 transitions. [2020-10-13 15:44:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:44:33,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:33,507 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] [2020-10-13 15:44:33,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:44:33,507 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:33,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:33,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1722199565, now seen corresponding path program 1 times [2020-10-13 15:44:33,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:33,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83433539] [2020-10-13 15:44:33,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:33,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:33,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:33,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:33,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:33,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:44:34,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:44:34,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1111 [2020-10-13 15:44:34,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:44:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:44:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 15:44:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:34,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:34,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:44:34,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:44:34,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:34,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:34,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:44:34,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:34,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:34,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:44:34,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:34,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:34,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:34,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:44:34,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:34,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:34,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:44:34,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:44:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-13 15:44:34,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:34,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:44:34,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:44:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:44:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:44:34,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:34,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:34,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:44:34,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:34,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:44:34,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:34,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:34,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:34,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:34,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:34,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:34,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:34,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:34,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:34,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:34,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:34,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:34,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:34,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:34,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:34,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:44:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:34,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:34,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:34,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:34,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:34,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:34,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:34,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:34,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:34,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:44:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:34,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:34,925 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 15:44:34,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83433539] [2020-10-13 15:44:34,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:44:34,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:44:34,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347537636] [2020-10-13 15:44:34,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:44:34,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:34,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:44:34,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:44:34,930 INFO L87 Difference]: Start difference. First operand 380 states and 481 transitions. Second operand 10 states. [2020-10-13 15:44:37,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:37,606 INFO L93 Difference]: Finished difference Result 1302 states and 1775 transitions. [2020-10-13 15:44:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:44:37,607 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-13 15:44:37,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:37,613 INFO L225 Difference]: With dead ends: 1302 [2020-10-13 15:44:37,614 INFO L226 Difference]: Without dead ends: 942 [2020-10-13 15:44:37,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:44:37,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2020-10-13 15:44:37,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 672. [2020-10-13 15:44:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-13 15:44:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 865 transitions. [2020-10-13 15:44:37,693 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 865 transitions. Word has length 91 [2020-10-13 15:44:37,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:37,693 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 865 transitions. [2020-10-13 15:44:37,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:44:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 865 transitions. [2020-10-13 15:44:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 15:44:37,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:37,695 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] [2020-10-13 15:44:37,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:44:37,695 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:37,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:37,695 INFO L82 PathProgramCache]: Analyzing trace with hash 504478220, now seen corresponding path program 1 times [2020-10-13 15:44:37,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:37,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043781624] [2020-10-13 15:44:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:37,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:37,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:37,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 15:44:38,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:44:38,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-10-13 15:44:38,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 15:44:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:44:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-13 15:44:38,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:38,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:38,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:38,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:38,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:38,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:38,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:38,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:38,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:38,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:38,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:38,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:38,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:38,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:38,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:38,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:38,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:38,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:38,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:44:38,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:44:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:38,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:38,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:44:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:38,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:38,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:44:38,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:38,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:38,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:38,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:44:38,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:38,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:38,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:44:38,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:38,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 15:44:38,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:38,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:38,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:38,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:38,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:38,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:38,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:44:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:44:38,623 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 15:44:38,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043781624] [2020-10-13 15:44:38,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:44:38,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 15:44:38,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529695458] [2020-10-13 15:44:38,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 15:44:38,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:38,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 15:44:38,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 15:44:38,632 INFO L87 Difference]: Start difference. First operand 672 states and 865 transitions. Second operand 7 states. [2020-10-13 15:44:40,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:40,677 INFO L93 Difference]: Finished difference Result 2007 states and 2726 transitions. [2020-10-13 15:44:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:44:40,678 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-13 15:44:40,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:40,691 INFO L225 Difference]: With dead ends: 2007 [2020-10-13 15:44:40,691 INFO L226 Difference]: Without dead ends: 1356 [2020-10-13 15:44:40,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:44:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2020-10-13 15:44:40,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1016. [2020-10-13 15:44:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2020-10-13 15:44:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1328 transitions. [2020-10-13 15:44:40,825 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1328 transitions. Word has length 91 [2020-10-13 15:44:40,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:40,826 INFO L479 AbstractCegarLoop]: Abstraction has 1016 states and 1328 transitions. [2020-10-13 15:44:40,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 15:44:40,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1328 transitions. [2020-10-13 15:44:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 15:44:40,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:40,834 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:40,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:44:40,834 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:40,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:40,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1055649124, now seen corresponding path program 1 times [2020-10-13 15:44:40,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:40,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354920453] [2020-10-13 15:44:40,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:40,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:40,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:41,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:42,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:42,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 15:44:45,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:44:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4531 [2020-10-13 15:44:45,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-10-13 15:44:45,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:44:45,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:45,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:45,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:45,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:45,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:45,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:45,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:45,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:45,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:45,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:45,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:45,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:45,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:45,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:45,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:45,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:45,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:45,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:45,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:45,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:45,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:45,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:45,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 15:44:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 15:44:45,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:44:45,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:45,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 15:44:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:44:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:44:45,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:45,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:45,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:45,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:45,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:45,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:45,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:45,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:45,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:45,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:45,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:45,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:45,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 15:44:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:45,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:45,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:45,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:45,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:45,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:45,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:45,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:45,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 15:44:45,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:44:45,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-13 15:44:45,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354920453] [2020-10-13 15:44:45,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:44:45,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:44:45,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327149553] [2020-10-13 15:44:45,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:44:45,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:45,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:44:45,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:44:45,614 INFO L87 Difference]: Start difference. First operand 1016 states and 1328 transitions. Second operand 9 states. [2020-10-13 15:44:48,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:48,557 INFO L93 Difference]: Finished difference Result 3806 states and 5182 transitions. [2020-10-13 15:44:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 15:44:48,557 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 145 [2020-10-13 15:44:48,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:48,575 INFO L225 Difference]: With dead ends: 3806 [2020-10-13 15:44:48,575 INFO L226 Difference]: Without dead ends: 2812 [2020-10-13 15:44:48,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-10-13 15:44:48,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2020-10-13 15:44:48,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2202. [2020-10-13 15:44:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2020-10-13 15:44:48,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2946 transitions. [2020-10-13 15:44:48,801 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2946 transitions. Word has length 145 [2020-10-13 15:44:48,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:48,805 INFO L479 AbstractCegarLoop]: Abstraction has 2202 states and 2946 transitions. [2020-10-13 15:44:48,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:44:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2946 transitions. [2020-10-13 15:44:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-13 15:44:48,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:48,815 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:48,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:44:48,816 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:48,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:48,816 INFO L82 PathProgramCache]: Analyzing trace with hash 2076818814, now seen corresponding path program 1 times [2020-10-13 15:44:48,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:48,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752512579] [2020-10-13 15:44:48,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:48,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:48,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:48,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:49,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:49,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:49,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:49,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:49,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:49,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-13 15:44:53,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 15:44:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:44:53,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:44:53,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-13 15:44:53,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 15:44:53,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:53,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:53,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:44:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:44:53,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:53,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:44:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:44:53,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:53,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:44:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:53,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:53,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:44:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:53,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:44:53,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:44:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:53,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:44:53,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:53,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:53,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:53,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:53,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:53,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:53,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:44:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:44:53,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:53,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:53,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:44:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:53,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:53,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:53,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:53,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:53,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:53,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:53,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:53,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:53,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:53,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 15:44:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 15:44:54,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:44:54,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:54,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 15:44:54,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:44:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:44:54,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:44:54,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 15:44:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:54,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:44:54,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:54,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:44:54,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:54,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:54,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:54,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:54,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:44:54,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:54,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:54,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:54,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:44:54,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 15:44:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:44:54,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:44:54,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 15:44:54,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:44:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:44:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 15:44:54,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:44:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:44:54,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:44:54,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:44:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 15:44:54,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:44:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:44:54,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:44:54,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:54,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:44:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:54,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:54,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:54,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:54,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:44:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:54,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:54,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:54,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:54,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:44:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:44:54,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:54,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:44:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:54,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 15:44:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:54,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:54,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:44:54,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:44:54,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:44:54,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:44:54,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:44:54,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:44:54,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:44:54,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:44:54,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:44:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-13 15:44:54,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752512579] [2020-10-13 15:44:54,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:44:54,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 15:44:54,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661955134] [2020-10-13 15:44:54,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 15:44:54,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:44:54,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 15:44:54,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 15:44:54,251 INFO L87 Difference]: Start difference. First operand 2202 states and 2946 transitions. Second operand 11 states. [2020-10-13 15:44:58,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:44:58,519 INFO L93 Difference]: Finished difference Result 8338 states and 13243 transitions. [2020-10-13 15:44:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 15:44:58,520 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2020-10-13 15:44:58,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:44:58,577 INFO L225 Difference]: With dead ends: 8338 [2020-10-13 15:44:58,577 INFO L226 Difference]: Without dead ends: 6163 [2020-10-13 15:44:58,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 59 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2020-10-13 15:44:58,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6163 states. [2020-10-13 15:44:59,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6163 to 4648. [2020-10-13 15:44:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4648 states. [2020-10-13 15:44:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4648 states to 4648 states and 6755 transitions. [2020-10-13 15:44:59,206 INFO L78 Accepts]: Start accepts. Automaton has 4648 states and 6755 transitions. Word has length 189 [2020-10-13 15:44:59,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:44:59,206 INFO L479 AbstractCegarLoop]: Abstraction has 4648 states and 6755 transitions. [2020-10-13 15:44:59,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 15:44:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 4648 states and 6755 transitions. [2020-10-13 15:44:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-13 15:44:59,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:44:59,217 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:59,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:44:59,218 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:44:59,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:44:59,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1176171029, now seen corresponding path program 1 times [2020-10-13 15:44:59,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:44:59,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613692347] [2020-10-13 15:44:59,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:44:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:44:59,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:59,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:59,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:59,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:59,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:44:59,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:00,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 15:45:04,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:45:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 15:45:04,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:04,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-13 15:45:04,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:04,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:04,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:04,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:04,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:04,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:04,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:04,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:04,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:04,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:45:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:04,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:04,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:45:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:04,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:04,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:04,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:04,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:04,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:04,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:04,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:04,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:45:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:04,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:04,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:45:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:04,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:04,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 15:45:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 15:45:04,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:04,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:45:04,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:04,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:04,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:04,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:04,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:04,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:04,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:04,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:04,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:04,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 15:45:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:45:04,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:45:04,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 15:45:04,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:45:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:04,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:45:04,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:45:04,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 15:45:04,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:04,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:45:04,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:45:04,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:04,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 15:45:04,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:04,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:45:04,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:04,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:45:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:45:04,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 15:45:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:04,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:04,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:04,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 15:45:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:04,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-13 15:45:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:04,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:04,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:04,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:04,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:04,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:04,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 15:45:04,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613692347] [2020-10-13 15:45:04,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:45:04,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 15:45:04,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339655767] [2020-10-13 15:45:04,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 15:45:04,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:04,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 15:45:04,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-13 15:45:04,667 INFO L87 Difference]: Start difference. First operand 4648 states and 6755 transitions. Second operand 12 states. [2020-10-13 15:45:06,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:06,955 INFO L93 Difference]: Finished difference Result 9026 states and 13454 transitions. [2020-10-13 15:45:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:45:06,955 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 190 [2020-10-13 15:45:06,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:06,978 INFO L225 Difference]: With dead ends: 9026 [2020-10-13 15:45:06,978 INFO L226 Difference]: Without dead ends: 3324 [2020-10-13 15:45:07,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-10-13 15:45:07,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2020-10-13 15:45:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 2612. [2020-10-13 15:45:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2612 states. [2020-10-13 15:45:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3533 transitions. [2020-10-13 15:45:07,293 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3533 transitions. Word has length 190 [2020-10-13 15:45:07,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:07,294 INFO L479 AbstractCegarLoop]: Abstraction has 2612 states and 3533 transitions. [2020-10-13 15:45:07,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 15:45:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3533 transitions. [2020-10-13 15:45:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-13 15:45:07,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:07,301 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:07,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:45:07,301 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:07,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:07,302 INFO L82 PathProgramCache]: Analyzing trace with hash -624843063, now seen corresponding path program 1 times [2020-10-13 15:45:07,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:07,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749608746] [2020-10-13 15:45:07,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:07,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:07,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:07,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:07,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:07,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:07,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:07,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:09,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-13 15:45:12,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 15:45:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:45:12,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-13 15:45:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:45:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:12,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:12,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:12,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:12,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:12,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:12,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:12,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:45:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:12,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:12,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:45:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:12,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:12,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:12,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:12,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:12,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:45:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:12,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:12,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:45:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:12,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:12,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:45:12,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 15:45:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:12,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:12,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 15:45:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:12,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 15:45:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 15:45:12,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:12,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 15:45:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:45:12,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:12,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:45:12,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:12,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:12,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:12,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:45:12,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 15:45:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:45:12,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:12,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:45:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:45:12,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:45:12,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:12,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:12,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:12,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:12,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 15:45:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:12,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:12,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:12,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:12,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:12,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-13 15:45:12,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749608746] [2020-10-13 15:45:12,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:45:12,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 15:45:12,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637787968] [2020-10-13 15:45:12,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:45:12,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:12,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:45:12,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:45:12,583 INFO L87 Difference]: Start difference. First operand 2612 states and 3533 transitions. Second operand 9 states. [2020-10-13 15:45:15,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:15,165 INFO L93 Difference]: Finished difference Result 5852 states and 8217 transitions. [2020-10-13 15:45:15,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 15:45:15,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2020-10-13 15:45:15,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:15,191 INFO L225 Difference]: With dead ends: 5852 [2020-10-13 15:45:15,191 INFO L226 Difference]: Without dead ends: 3262 [2020-10-13 15:45:15,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-10-13 15:45:15,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2020-10-13 15:45:15,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2600. [2020-10-13 15:45:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2600 states. [2020-10-13 15:45:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3473 transitions. [2020-10-13 15:45:15,674 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3473 transitions. Word has length 209 [2020-10-13 15:45:15,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:15,675 INFO L479 AbstractCegarLoop]: Abstraction has 2600 states and 3473 transitions. [2020-10-13 15:45:15,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:45:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3473 transitions. [2020-10-13 15:45:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-13 15:45:15,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:15,686 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:15,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:45:15,687 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:15,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:15,687 INFO L82 PathProgramCache]: Analyzing trace with hash -44183424, now seen corresponding path program 1 times [2020-10-13 15:45:15,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:15,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996757872] [2020-10-13 15:45:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:15,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:15,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:15,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:15,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:15,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:17,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:18,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:18,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-13 15:45:20,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 15:45:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:45:20,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-13 15:45:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:45:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:20,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:20,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:20,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:20,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:20,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:20,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:20,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:45:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:20,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:20,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:45:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:20,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:20,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:20,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:20,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:20,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:20,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:20,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:20,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:45:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:20,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:20,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:45:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:20,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:20,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 15:45:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 15:45:20,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:20,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:45:20,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:20,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:20,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:20,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:20,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:20,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:20,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:20,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:20,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:20,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 15:45:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:20,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:20,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 15:45:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:20,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:20,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:45:20,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 15:45:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:45:20,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:20,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:45:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:20,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:20,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:20,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:20,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:20,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:45:20,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:20,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:21,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:21,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:21,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:21,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:21,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:21,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:21,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:21,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:21,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:21,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:21,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:21,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:21,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:21,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:21,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:21,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:21,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:21,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:21,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:21,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:21,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:21,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:21,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:21,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:21,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:21,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:21,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:21,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:21,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:21,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:21,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:21,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:21,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:21,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:21,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:21,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 15:45:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:21,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:21,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:21,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:21,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:21,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:21,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:21,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:21,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:21,048 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-13 15:45:21,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996757872] [2020-10-13 15:45:21,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:45:21,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 15:45:21,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967478062] [2020-10-13 15:45:21,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:45:21,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:21,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:45:21,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:45:21,050 INFO L87 Difference]: Start difference. First operand 2600 states and 3473 transitions. Second operand 9 states. [2020-10-13 15:45:23,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:23,564 INFO L93 Difference]: Finished difference Result 8626 states and 12458 transitions. [2020-10-13 15:45:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 15:45:23,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2020-10-13 15:45:23,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:23,601 INFO L225 Difference]: With dead ends: 8626 [2020-10-13 15:45:23,602 INFO L226 Difference]: Without dead ends: 6048 [2020-10-13 15:45:23,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-10-13 15:45:23,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6048 states. [2020-10-13 15:45:24,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6048 to 5038. [2020-10-13 15:45:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5038 states. [2020-10-13 15:45:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5038 states to 5038 states and 7136 transitions. [2020-10-13 15:45:24,116 INFO L78 Accepts]: Start accepts. Automaton has 5038 states and 7136 transitions. Word has length 209 [2020-10-13 15:45:24,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:24,116 INFO L479 AbstractCegarLoop]: Abstraction has 5038 states and 7136 transitions. [2020-10-13 15:45:24,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:45:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5038 states and 7136 transitions. [2020-10-13 15:45:24,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 15:45:24,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:24,128 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:24,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:45:24,129 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:24,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:24,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1502393486, now seen corresponding path program 1 times [2020-10-13 15:45:24,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:24,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117108857] [2020-10-13 15:45:24,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:24,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:24,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:24,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:24,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:24,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:24,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:24,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-13 15:45:29,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:45:29,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:45:29,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:29,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 15:45:29,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 15:45:29,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:29,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:29,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:29,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:29,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:29,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:29,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:45:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:29,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:45:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:29,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:29,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:29,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:29,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:29,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:29,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:29,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:45:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:29,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:45:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:29,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:29,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 15:45:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:29,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:29,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:45:29,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 15:45:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:29,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:45:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 15:45:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:29,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:45:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 15:45:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 15:45:29,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:45:29,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 15:45:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 15:45:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:45:29,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:45:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:45:29,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:45:29,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 15:45:29,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:29,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:29,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:29,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:45:29,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:45:29,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:29,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 15:45:29,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:45:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:45:29,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:29,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:45:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:45:29,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:29,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:29,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:29,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:29,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:29,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:29,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:29,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:45:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:29,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:29,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:29,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:29,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:29,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:29,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:29,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 35 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-13 15:45:29,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117108857] [2020-10-13 15:45:29,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:45:29,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 15:45:29,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195662487] [2020-10-13 15:45:29,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 15:45:29,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:29,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 15:45:29,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 15:45:29,484 INFO L87 Difference]: Start difference. First operand 5038 states and 7136 transitions. Second operand 11 states. [2020-10-13 15:45:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:32,635 INFO L93 Difference]: Finished difference Result 15642 states and 24534 transitions. [2020-10-13 15:45:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 15:45:32,636 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-10-13 15:45:32,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:32,696 INFO L225 Difference]: With dead ends: 15642 [2020-10-13 15:45:32,696 INFO L226 Difference]: Without dead ends: 10630 [2020-10-13 15:45:32,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-13 15:45:32,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10630 states. [2020-10-13 15:45:33,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10630 to 8739. [2020-10-13 15:45:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8739 states. [2020-10-13 15:45:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8739 states to 8739 states and 12218 transitions. [2020-10-13 15:45:33,489 INFO L78 Accepts]: Start accepts. Automaton has 8739 states and 12218 transitions. Word has length 217 [2020-10-13 15:45:33,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:33,490 INFO L479 AbstractCegarLoop]: Abstraction has 8739 states and 12218 transitions. [2020-10-13 15:45:33,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 15:45:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 8739 states and 12218 transitions. [2020-10-13 15:45:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-13 15:45:33,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:33,505 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:33,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:45:33,506 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:33,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:33,506 INFO L82 PathProgramCache]: Analyzing trace with hash -2035575046, now seen corresponding path program 1 times [2020-10-13 15:45:33,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:33,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417620527] [2020-10-13 15:45:33,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:33,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:33,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:33,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 15:45:38,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:45:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:45:38,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:45:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:45:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:38,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:38,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:38,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:38,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:38,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:45:38,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:38,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:38,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:45:38,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:38,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:38,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 15:45:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:45:38,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:45:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:38,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:38,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:45:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:45:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:38,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:38,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-13 15:45:38,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:38,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:38,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:38,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:45:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:38,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:38,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:45:38,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:45:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 15:45:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:38,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:38,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 15:45:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:38,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 15:45:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:45:38,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:38,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:38,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:45:38,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 15:45:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:45:38,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:45:38,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:38,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:38,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:38,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:38,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:38,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-13 15:45:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:38,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:38,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:38,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:38,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:38,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:38,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:38,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:38,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-10-13 15:45:38,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417620527] [2020-10-13 15:45:38,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:45:38,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:45:38,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417278826] [2020-10-13 15:45:38,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:45:38,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:38,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:45:38,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:45:38,796 INFO L87 Difference]: Start difference. First operand 8739 states and 12218 transitions. Second operand 10 states. [2020-10-13 15:45:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:40,719 INFO L93 Difference]: Finished difference Result 16961 states and 23766 transitions. [2020-10-13 15:45:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:45:40,720 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 210 [2020-10-13 15:45:40,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:40,754 INFO L225 Difference]: With dead ends: 16961 [2020-10-13 15:45:40,754 INFO L226 Difference]: Without dead ends: 8244 [2020-10-13 15:45:40,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:45:40,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8244 states. [2020-10-13 15:45:41,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8244 to 6946. [2020-10-13 15:45:41,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6946 states. [2020-10-13 15:45:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6946 states to 6946 states and 9617 transitions. [2020-10-13 15:45:41,403 INFO L78 Accepts]: Start accepts. Automaton has 6946 states and 9617 transitions. Word has length 210 [2020-10-13 15:45:41,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:41,403 INFO L479 AbstractCegarLoop]: Abstraction has 6946 states and 9617 transitions. [2020-10-13 15:45:41,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:45:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 6946 states and 9617 transitions. [2020-10-13 15:45:41,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-13 15:45:41,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:41,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:41,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 15:45:41,414 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:41,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:41,414 INFO L82 PathProgramCache]: Analyzing trace with hash -502749444, now seen corresponding path program 1 times [2020-10-13 15:45:41,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:41,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461882490] [2020-10-13 15:45:41,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:41,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-13 15:45:43,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:45:43,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1800 [2020-10-13 15:45:43,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:43,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-13 15:45:43,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 15:45:43,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:43,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:43,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:43,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:43,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:43,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:43,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:43,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:45:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:43,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:43,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:45:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:43,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:43,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:45:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:43,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:43,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:45:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:43,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 15:45:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 15:45:43,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:43,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:45:43,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:43,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:43,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:43,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 15:45:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:43,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:43,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:43,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:45:43,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 15:45:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:43,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:43,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:45:43,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 15:45:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:45:43,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:43,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:45:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:45:43,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:43,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:43,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:43,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:43,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-13 15:45:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:43,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 15:45:43,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461882490] [2020-10-13 15:45:43,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:45:43,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 15:45:43,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119353460] [2020-10-13 15:45:43,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:45:43,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:43,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:45:43,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:45:43,501 INFO L87 Difference]: Start difference. First operand 6946 states and 9617 transitions. Second operand 9 states. [2020-10-13 15:45:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:46,578 INFO L93 Difference]: Finished difference Result 21893 states and 33952 transitions. [2020-10-13 15:45:46,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:45:46,579 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-13 15:45:46,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:46,645 INFO L225 Difference]: With dead ends: 21893 [2020-10-13 15:45:46,645 INFO L226 Difference]: Without dead ends: 14969 [2020-10-13 15:45:46,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-10-13 15:45:46,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14969 states. [2020-10-13 15:45:47,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14969 to 12659. [2020-10-13 15:45:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12659 states. [2020-10-13 15:45:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12659 states to 12659 states and 18776 transitions. [2020-10-13 15:45:47,899 INFO L78 Accepts]: Start accepts. Automaton has 12659 states and 18776 transitions. Word has length 211 [2020-10-13 15:45:47,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:47,899 INFO L479 AbstractCegarLoop]: Abstraction has 12659 states and 18776 transitions. [2020-10-13 15:45:47,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:45:47,900 INFO L276 IsEmpty]: Start isEmpty. Operand 12659 states and 18776 transitions. [2020-10-13 15:45:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-13 15:45:47,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:47,912 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:47,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 15:45:47,912 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:47,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:47,912 INFO L82 PathProgramCache]: Analyzing trace with hash 477559824, now seen corresponding path program 1 times [2020-10-13 15:45:47,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:47,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454595324] [2020-10-13 15:45:47,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:47,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:47,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:47,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:48,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:48,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-13 15:45:52,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:45:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4106 [2020-10-13 15:45:52,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-13 15:45:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:52,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:52,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:52,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:52,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:52,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:45:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:52,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:45:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:52,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:52,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:52,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:52,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:52,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:52,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:52,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:52,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:45:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:45:52,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:45:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:52,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:52,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 15:45:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:52,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 15:45:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:52,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:52,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 15:45:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 15:45:52,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:45:52,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:52,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 15:45:52,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:52,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:45:52,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:45:52,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:52,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 15:45:52,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:52,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:45:52,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:45:52,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 15:45:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:52,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:52,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:52,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:45:52,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:52,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:45:52,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:45:52,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 15:45:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:45:52,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:52,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:45:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:45:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:45:52,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:52,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:45:52,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:52,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:52,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:52,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:52,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:52,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:52,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-13 15:45:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:52,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:52,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:52,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:52,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:52,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:52,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:52,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:52,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:52,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-13 15:45:52,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454595324] [2020-10-13 15:45:52,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:45:52,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 15:45:52,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784048068] [2020-10-13 15:45:52,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 15:45:52,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:52,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 15:45:52,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-13 15:45:52,372 INFO L87 Difference]: Start difference. First operand 12659 states and 18776 transitions. Second operand 12 states. [2020-10-13 15:45:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:54,952 INFO L93 Difference]: Finished difference Result 23572 states and 36765 transitions. [2020-10-13 15:45:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:45:54,952 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 212 [2020-10-13 15:45:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:54,991 INFO L225 Difference]: With dead ends: 23572 [2020-10-13 15:45:54,992 INFO L226 Difference]: Without dead ends: 8743 [2020-10-13 15:45:55,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-10-13 15:45:55,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8743 states. [2020-10-13 15:45:55,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8743 to 7186. [2020-10-13 15:45:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7186 states. [2020-10-13 15:45:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7186 states to 7186 states and 9780 transitions. [2020-10-13 15:45:55,882 INFO L78 Accepts]: Start accepts. Automaton has 7186 states and 9780 transitions. Word has length 212 [2020-10-13 15:45:55,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:55,883 INFO L479 AbstractCegarLoop]: Abstraction has 7186 states and 9780 transitions. [2020-10-13 15:45:55,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 15:45:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 7186 states and 9780 transitions. [2020-10-13 15:45:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-13 15:45:55,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:55,902 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:55,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 15:45:55,902 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:55,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:55,902 INFO L82 PathProgramCache]: Analyzing trace with hash -151929074, now seen corresponding path program 1 times [2020-10-13 15:45:55,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:55,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727395233] [2020-10-13 15:45:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:55,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:55,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:56,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:56,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:56,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:58,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:00,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:00,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-13 15:46:00,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:46:00,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:46:00,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:00,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:00,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-13 15:46:00,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 15:46:00,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:00,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:00,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:00,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:00,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:00,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:00,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:00,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:00,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:00,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:00,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:00,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:00,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:00,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:00,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:00,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:00,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:00,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:00,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:00,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:00,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:00,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:00,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:00,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:01,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:01,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:46:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:01,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:01,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:46:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:01,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:01,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:46:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:01,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:46:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:01,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 15:46:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 15:46:01,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:01,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:46:01,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:01,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:01,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:01,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 15:46:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:01,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:01,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:01,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 15:46:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:01,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:01,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:01,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 15:46:01,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 15:46:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:01,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 15:46:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:46:01,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 15:46:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:46:01,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:01,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:46:01,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:01,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:01,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 15:46:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 15:46:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 15:46:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:46:01,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:01,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:46:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:46:01,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:01,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:01,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:01,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:01,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-13 15:46:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:01,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:01,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:01,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:01,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:01,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-10-13 15:46:01,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727395233] [2020-10-13 15:46:01,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:46:01,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 15:46:01,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983808127] [2020-10-13 15:46:01,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 15:46:01,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:01,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 15:46:01,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-13 15:46:01,276 INFO L87 Difference]: Start difference. First operand 7186 states and 9780 transitions. Second operand 12 states. [2020-10-13 15:46:04,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:04,921 INFO L93 Difference]: Finished difference Result 13569 states and 18879 transitions. [2020-10-13 15:46:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-13 15:46:04,922 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 261 [2020-10-13 15:46:04,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:04,952 INFO L225 Difference]: With dead ends: 13569 [2020-10-13 15:46:04,953 INFO L226 Difference]: Without dead ends: 7666 [2020-10-13 15:46:04,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=312, Invalid=1020, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 15:46:04,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7666 states. [2020-10-13 15:46:05,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7666 to 6474. [2020-10-13 15:46:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6474 states. [2020-10-13 15:46:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6474 states to 6474 states and 8428 transitions. [2020-10-13 15:46:05,604 INFO L78 Accepts]: Start accepts. Automaton has 6474 states and 8428 transitions. Word has length 261 [2020-10-13 15:46:05,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:05,605 INFO L479 AbstractCegarLoop]: Abstraction has 6474 states and 8428 transitions. [2020-10-13 15:46:05,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 15:46:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 6474 states and 8428 transitions. [2020-10-13 15:46:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-13 15:46:05,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:05,613 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:05,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 15:46:05,613 INFO L427 AbstractCegarLoop]: === Iteration 20 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:05,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:05,613 INFO L82 PathProgramCache]: Analyzing trace with hash 128073908, now seen corresponding path program 1 times [2020-10-13 15:46:05,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:05,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47919491] [2020-10-13 15:46:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:05,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:05,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:05,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:05,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:05,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 472 [2020-10-13 15:46:10,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:46:10,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:46:10,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:46:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-13 15:46:10,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:46:10,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:10,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:10,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:10,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:10,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:10,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:10,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:46:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:46:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:10,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:10,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:10,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:10,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:10,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:46:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:10,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:10,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 15:46:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 15:46:10,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:46:10,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:46:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-13 15:46:10,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:46:10,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 15:46:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:10,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 15:46:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:10,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:10,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 15:46:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:10,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:10,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:46:10,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 15:46:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:10,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 15:46:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 15:46:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 15:46:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:46:10,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:10,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 15:46:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:10,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 15:46:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:10,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 15:46:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:10,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:10,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:46:10,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 15:46:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:10,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 15:46:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 15:46:10,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:10,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 15:46:10,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:10,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-13 15:46:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:10,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:10,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-13 15:46:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 15:46:10,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:46:10,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:10,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:10,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:10,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-13 15:46:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:10,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:10,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:10,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-13 15:46:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:10,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:10,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:10,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:10,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:10,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:10,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:10,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:46:10,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:10,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:10,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-13 15:46:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:10,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:46:11,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:11,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 15:46:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:46:11,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:11,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:46:11,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:11,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 15:46:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:11,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:11,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 15:46:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:11,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:11,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-10-13 15:46:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:46:11,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:11,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:46:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:46:11,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:11,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:11,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:11,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:11,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:11,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:11,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:11,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:11,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:11,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:11,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-13 15:46:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:11,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:11,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:11,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:11,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:11,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:11,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:11,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 46 proven. 15 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2020-10-13 15:46:11,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47919491] [2020-10-13 15:46:11,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:46:11,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 15:46:11,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708940895] [2020-10-13 15:46:11,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 15:46:11,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:11,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 15:46:11,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:46:11,125 INFO L87 Difference]: Start difference. First operand 6474 states and 8428 transitions. Second operand 14 states. [2020-10-13 15:46:13,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:13,560 INFO L93 Difference]: Finished difference Result 10326 states and 13297 transitions. [2020-10-13 15:46:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 15:46:13,560 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-10-13 15:46:13,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:13,573 INFO L225 Difference]: With dead ends: 10326 [2020-10-13 15:46:13,573 INFO L226 Difference]: Without dead ends: 3874 [2020-10-13 15:46:13,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=232, Invalid=698, Unknown=0, NotChecked=0, Total=930 [2020-10-13 15:46:13,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3874 states. [2020-10-13 15:46:13,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3874 to 3231. [2020-10-13 15:46:13,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3231 states. [2020-10-13 15:46:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 3231 states and 3891 transitions. [2020-10-13 15:46:13,936 INFO L78 Accepts]: Start accepts. Automaton has 3231 states and 3891 transitions. Word has length 368 [2020-10-13 15:46:13,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:13,937 INFO L479 AbstractCegarLoop]: Abstraction has 3231 states and 3891 transitions. [2020-10-13 15:46:13,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 15:46:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3231 states and 3891 transitions. [2020-10-13 15:46:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-13 15:46:13,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:13,941 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:13,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 15:46:13,942 INFO L427 AbstractCegarLoop]: === Iteration 21 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:13,942 INFO L82 PathProgramCache]: Analyzing trace with hash -787826109, now seen corresponding path program 1 times [2020-10-13 15:46:13,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:13,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138957707] [2020-10-13 15:46:13,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:13,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:13,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-13 15:46:18,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:46:18,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4712 [2020-10-13 15:46:18,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:18,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-13 15:46:18,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 15:46:18,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:18,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:18,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:18,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:18,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:18,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:18,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:18,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:18,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:46:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:18,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:18,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:46:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:18,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:18,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:18,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:18,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:18,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:18,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:46:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:18,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:18,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:46:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:18,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:18,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 15:46:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:18,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:18,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 15:46:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:18,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 15:46:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:18,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 15:46:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 15:46:18,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:46:18,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 15:46:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:46:18,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:18,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:46:18,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:18,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:18,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:18,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:18,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:18,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:18,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:18,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 15:46:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:46:18,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:46:18,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:46:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 15:46:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:46:18,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:46:18,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 15:46:18,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:46:18,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:46:18,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:18,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 15:46:18,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:18,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:18,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:18,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 15:46:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:19,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 15:46:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:19,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:46:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 15:46:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 15:46:19,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:46:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 15:46:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 15:46:19,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:19,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-13 15:46:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:19,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 46 proven. 12 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-10-13 15:46:19,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138957707] [2020-10-13 15:46:19,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:46:19,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 15:46:19,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912225111] [2020-10-13 15:46:19,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 15:46:19,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:19,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 15:46:19,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 15:46:19,129 INFO L87 Difference]: Start difference. First operand 3231 states and 3891 transitions. Second operand 11 states. [2020-10-13 15:46:20,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:20,711 INFO L93 Difference]: Finished difference Result 5521 states and 6820 transitions. [2020-10-13 15:46:20,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:46:20,711 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 262 [2020-10-13 15:46:20,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:20,717 INFO L225 Difference]: With dead ends: 5521 [2020-10-13 15:46:20,717 INFO L226 Difference]: Without dead ends: 2262 [2020-10-13 15:46:20,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2020-10-13 15:46:20,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2020-10-13 15:46:20,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2087. [2020-10-13 15:46:20,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2020-10-13 15:46:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2448 transitions. [2020-10-13 15:46:20,868 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2448 transitions. Word has length 262 [2020-10-13 15:46:20,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:20,868 INFO L479 AbstractCegarLoop]: Abstraction has 2087 states and 2448 transitions. [2020-10-13 15:46:20,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 15:46:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2448 transitions. [2020-10-13 15:46:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-13 15:46:20,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:20,870 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:20,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 15:46:20,870 INFO L427 AbstractCegarLoop]: === Iteration 22 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:20,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:20,871 INFO L82 PathProgramCache]: Analyzing trace with hash -351639517, now seen corresponding path program 1 times [2020-10-13 15:46:20,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:20,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146053817] [2020-10-13 15:46:20,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:20,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:20,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:21,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 342 [2020-10-13 15:46:24,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:46:24,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3139 [2020-10-13 15:46:24,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:24,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-10-13 15:46:24,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 15:46:24,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:24,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:24,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:24,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:24,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:24,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:24,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:24,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:46:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:24,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:24,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:46:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:24,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:24,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:24,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:24,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:24,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:46:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:24,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:24,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:46:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:24,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 15:46:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:24,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:24,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 15:46:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:24,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:24,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 15:46:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:24,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 15:46:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 15:46:24,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:46:24,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:46:24,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:24,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:46:24,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:24,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:24,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:24,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:24,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 15:46:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 15:46:24,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:24,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 15:46:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 15:46:24,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:24,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 15:46:24,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:24,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:24,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 15:46:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:24,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:46:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:24,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-13 15:46:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 15:46:24,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:24,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 15:46:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:46:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:46:24,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:24,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 15:46:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:46:24,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:24,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:24,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 15:46:24,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:24,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:24,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 15:46:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:24,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:24,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:24,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-13 15:46:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:24,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:24,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:24,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:24,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:24,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:24,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:24,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:24,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:24,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2020-10-13 15:46:24,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146053817] [2020-10-13 15:46:24,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:46:24,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 15:46:24,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941608083] [2020-10-13 15:46:24,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 15:46:24,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:24,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 15:46:24,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 15:46:24,370 INFO L87 Difference]: Start difference. First operand 2087 states and 2448 transitions. Second operand 11 states. [2020-10-13 15:46:25,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:25,978 INFO L93 Difference]: Finished difference Result 2953 states and 3482 transitions. [2020-10-13 15:46:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:46:25,983 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 264 [2020-10-13 15:46:25,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:25,986 INFO L225 Difference]: With dead ends: 2953 [2020-10-13 15:46:25,986 INFO L226 Difference]: Without dead ends: 684 [2020-10-13 15:46:25,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:46:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-10-13 15:46:26,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 639. [2020-10-13 15:46:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-10-13 15:46:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 694 transitions. [2020-10-13 15:46:26,038 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 694 transitions. Word has length 264 [2020-10-13 15:46:26,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:26,038 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 694 transitions. [2020-10-13 15:46:26,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 15:46:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 694 transitions. [2020-10-13 15:46:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-13 15:46:26,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:26,040 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:26,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 15:46:26,041 INFO L427 AbstractCegarLoop]: === Iteration 23 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:26,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:26,041 INFO L82 PathProgramCache]: Analyzing trace with hash -833980974, now seen corresponding path program 2 times [2020-10-13 15:46:26,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:26,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522075338] [2020-10-13 15:46:26,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:26,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:26,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 343 [2020-10-13 15:46:27,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:46:27,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1176 [2020-10-13 15:46:27,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 15:46:27,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:46:27,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 15:46:27,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:27,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:27,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:46:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:27,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:46:27,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:27,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:27,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:27,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:27,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:27,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:46:27,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:46:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:27,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:27,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:27,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:46:27,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:46:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:27,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:46:27,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 15:46:27,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:27,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:27,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:27,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:27,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:27,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:46:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:27,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:46:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:46:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:46:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:27,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:27,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 15:46:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:27,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:27,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 15:46:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:27,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 15:46:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:27,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 15:46:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 15:46:27,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:27,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 15:46:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:46:27,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:46:27,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:46:27,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:27,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:27,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:27,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:27,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:27,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:27,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:27,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 15:46:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 15:46:27,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:27,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 15:46:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 15:46:27,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:46:27,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-13 15:46:27,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 15:46:27,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:27,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:27,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 15:46:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:27,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:46:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:27,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-13 15:46:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 15:46:27,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:46:27,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 15:46:27,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 15:46:27,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:27,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 15:46:27,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:27,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:27,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:27,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 15:46:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:27,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-13 15:46:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:27,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:27,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:27,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:27,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:27,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:27,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-10-13 15:46:27,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522075338] [2020-10-13 15:46:27,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:46:27,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 15:46:27,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938261775] [2020-10-13 15:46:27,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 15:46:27,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:27,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 15:46:27,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-13 15:46:27,742 INFO L87 Difference]: Start difference. First operand 639 states and 694 transitions. Second operand 12 states. [2020-10-13 15:46:30,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:30,056 INFO L93 Difference]: Finished difference Result 1618 states and 1770 transitions. [2020-10-13 15:46:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 15:46:30,057 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 265 [2020-10-13 15:46:30,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:30,060 INFO L225 Difference]: With dead ends: 1618 [2020-10-13 15:46:30,061 INFO L226 Difference]: Without dead ends: 1002 [2020-10-13 15:46:30,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-10-13 15:46:30,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2020-10-13 15:46:30,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 968. [2020-10-13 15:46:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 968 states. [2020-10-13 15:46:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1044 transitions. [2020-10-13 15:46:30,156 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1044 transitions. Word has length 265 [2020-10-13 15:46:30,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:30,156 INFO L479 AbstractCegarLoop]: Abstraction has 968 states and 1044 transitions. [2020-10-13 15:46:30,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 15:46:30,156 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1044 transitions. [2020-10-13 15:46:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-13 15:46:30,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:30,159 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:30,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 15:46:30,159 INFO L427 AbstractCegarLoop]: === Iteration 24 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:30,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:30,159 INFO L82 PathProgramCache]: Analyzing trace with hash -2108904620, now seen corresponding path program 1 times [2020-10-13 15:46:30,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:30,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801924584] [2020-10-13 15:46:30,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 343 [2020-10-13 15:46:30,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-13 15:46:30,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 15:46:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-13 15:46:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-13 15:46:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:30,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:30,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:30,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:30,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:30,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:30,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:30,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:46:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:30,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:30,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 15:46:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 15:46:30,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:30,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:30,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:30,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:30,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 15:46:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 15:46:30,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 15:46:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:30,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 15:46:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:30,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:30,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 15:46:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:30,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:30,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 15:46:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:30,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 15:46:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 15:46:30,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:46:30,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:30,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 15:46:30,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:46:30,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 15:46:30,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 15:46:30,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:30,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:30,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:30,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:30,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:30,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 15:46:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 15:46:30,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 15:46:30,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:46:30,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:30,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 15:46:30,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 15:46:30,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:46:30,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:46:30,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 15:46:30,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:30,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:30,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 15:46:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:30,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 15:46:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:30,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-13 15:46:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 15:46:30,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:46:30,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:46:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 15:46:30,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:46:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 15:46:30,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:30,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:46:30,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 15:46:30,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:30,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:30,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:30,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:30,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 15:46:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 15:46:30,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:30,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-13 15:46:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:30,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:30,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:30,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:30,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:30,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:30,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:30,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:46:30,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-10-13 15:46:30,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801924584] [2020-10-13 15:46:30,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 15:46:30,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 15:46:30,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755432526] [2020-10-13 15:46:30,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 15:46:30,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:30,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 15:46:30,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:46:30,932 INFO L87 Difference]: Start difference. First operand 968 states and 1044 transitions. Second operand 14 states. [2020-10-13 15:46:33,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:33,358 INFO L93 Difference]: Finished difference Result 999 states and 1083 transitions. [2020-10-13 15:46:33,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 15:46:33,359 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 265 [2020-10-13 15:46:33,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:33,360 INFO L225 Difference]: With dead ends: 999 [2020-10-13 15:46:33,360 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 15:46:33,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2020-10-13 15:46:33,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 15:46:33,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 15:46:33,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 15:46:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 15:46:33,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 265 [2020-10-13 15:46:33,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:33,365 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 15:46:33,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 15:46:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 15:46:33,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 15:46:33,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 15:46:33,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 15:46:34,626 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 218 DAG size of output: 197 [2020-10-13 15:46:36,010 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 197 [2020-10-13 15:46:36,461 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 114 [2020-10-13 15:46:37,114 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 169 [2020-10-13 15:46:37,814 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 150 [2020-10-13 15:46:38,126 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-10-13 15:46:39,075 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 126 [2020-10-13 15:46:39,867 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-13 15:46:40,921 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-13 15:46:41,180 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-10-13 15:46:41,293 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-10-13 15:46:42,145 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-10-13 15:46:42,838 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-10-13 15:46:44,149 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 150 [2020-10-13 15:46:45,446 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-10-13 15:46:46,502 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 114 [2020-10-13 15:46:47,033 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-10-13 15:46:47,194 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-10-13 15:46:47,850 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 217 [2020-10-13 15:46:49,102 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 197 [2020-10-13 15:46:49,882 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 217 [2020-10-13 15:46:50,715 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 147 [2020-10-13 15:46:51,422 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 148 [2020-10-13 15:46:52,158 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 148 [2020-10-13 15:46:53,228 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 152 [2020-10-13 15:46:55,717 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 147 [2020-10-13 15:46:55,890 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 121 [2020-10-13 15:46:57,160 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 117 [2020-10-13 15:46:57,611 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 123 [2020-10-13 15:47:11,016 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 120 [2020-10-13 15:47:12,506 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 118 [2020-10-13 15:47:15,564 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 111 [2020-10-13 15:47:15,683 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 118 [2020-10-13 15:47:16,798 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 107 [2020-10-13 15:47:16,964 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 118 [2020-10-13 15:47:22,653 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 121 [2020-10-13 15:47:25,561 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 119 [2020-10-13 15:47:25,887 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 143 [2020-10-13 15:47:26,435 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 90