/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.12.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:48:26,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:48:26,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:48:26,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:48:26,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:48:26,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:48:26,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:48:26,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:48:26,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:48:26,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:48:26,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:48:26,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:48:26,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:48:26,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:48:26,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:48:26,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:48:26,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:48:26,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:48:26,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:48:26,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:48:26,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:48:26,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:48:26,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:48:26,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:48:26,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:48:26,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:48:26,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:48:26,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:48:26,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:48:26,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:48:26,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:48:26,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:48:26,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:48:26,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:48:26,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:48:26,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:48:26,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:48:26,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:48:26,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:48:26,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:48:26,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:48:26,873 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 15:48:26,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:48:26,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:48:26,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:48:26,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:48:26,896 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:48:26,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:48:26,897 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:48:26,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:48:26,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:48:26,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:48:26,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:48:26,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:48:26,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:48:26,898 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:48:26,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:48:26,899 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:48:26,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:48:26,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:48:26,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:48:26,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:48:26,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:48:26,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:48:26,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:48:26,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:48:26,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:48:26,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:48:26,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:48:26,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:48:26,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:48:26,901 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 15:48:27,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:48:27,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:48:27,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:48:27,220 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:48:27,221 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:48:27,222 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.12.cil-1.c [2020-10-13 15:48:27,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a74b0c27f/fa113818bb1747498c2743ada39add6d/FLAGd28f4734e [2020-10-13 15:48:27,850 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:48:27,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.12.cil-1.c [2020-10-13 15:48:27,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a74b0c27f/fa113818bb1747498c2743ada39add6d/FLAGd28f4734e [2020-10-13 15:48:28,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a74b0c27f/fa113818bb1747498c2743ada39add6d [2020-10-13 15:48:28,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:48:28,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:48:28,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:48:28,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:48:28,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:48:28,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:48:28" (1/1) ... [2020-10-13 15:48:28,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed07bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28, skipping insertion in model container [2020-10-13 15:48:28,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:48:28" (1/1) ... [2020-10-13 15:48:28,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:48:28,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:48:28,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:48:28,563 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:48:28,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:48:28,857 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:48:28,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28 WrapperNode [2020-10-13 15:48:28,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:48:28,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:48:28,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:48:28,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:48:28,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28" (1/1) ... [2020-10-13 15:48:28,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28" (1/1) ... [2020-10-13 15:48:28,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28" (1/1) ... [2020-10-13 15:48:28,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28" (1/1) ... [2020-10-13 15:48:28,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28" (1/1) ... [2020-10-13 15:48:28,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28" (1/1) ... [2020-10-13 15:48:28,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28" (1/1) ... [2020-10-13 15:48:28,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:48:28,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:48:28,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:48:28,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:48:28,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28" (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 15:48:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:48:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:48:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:48:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:48:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:48:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:48:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-13 15:48:29,048 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-13 15:48:29,048 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-13 15:48:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-13 15:48:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-13 15:48:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-13 15:48:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-13 15:48:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-13 15:48:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-13 15:48:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-13 15:48:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:48:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:48:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:48:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-13 15:48:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-13 15:48:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-13 15:48:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-13 15:48:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-13 15:48:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-13 15:48:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-13 15:48:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-13 15:48:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-13 15:48:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-13 15:48:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:48:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:48:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:48:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:48:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:48:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:48:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:48:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:48:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:48:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:48:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:48:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:48:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:48:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:48:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:48:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:48:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:48:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:48:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:48:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-13 15:48:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-13 15:48:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-13 15:48:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-13 15:48:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-13 15:48:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-13 15:48:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-13 15:48:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-13 15:48:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-13 15:48:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-13 15:48:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:48:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:48:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:48:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:48:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:48:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-13 15:48:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-13 15:48:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-13 15:48:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-13 15:48:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-13 15:48:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-13 15:48:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-13 15:48:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-13 15:48:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-13 15:48:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-13 15:48:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:48:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:48:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:48:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:48:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:48:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:48:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:48:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:48:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:48:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:48:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:48:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:48:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:48:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:48:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:48:30,242 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:48:30,242 INFO L295 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-13 15:48:30,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:48:30 BoogieIcfgContainer [2020-10-13 15:48:30,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:48:30,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:48:30,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:48:30,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:48:30,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:48:28" (1/3) ... [2020-10-13 15:48:30,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12692d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:48:30, skipping insertion in model container [2020-10-13 15:48:30,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:28" (2/3) ... [2020-10-13 15:48:30,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12692d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:48:30, skipping insertion in model container [2020-10-13 15:48:30,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:48:30" (3/3) ... [2020-10-13 15:48:30,259 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.12.cil-1.c [2020-10-13 15:48:30,270 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:48:30,279 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:48:30,295 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:48:30,323 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:48:30,323 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:48:30,323 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:48:30,323 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:48:30,324 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:48:30,324 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:48:30,324 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:48:30,324 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:48:30,357 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states. [2020-10-13 15:48:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:48:30,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:30,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:30,377 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:30,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:30,385 INFO L82 PathProgramCache]: Analyzing trace with hash -162003659, now seen corresponding path program 1 times [2020-10-13 15:48:30,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:30,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37592039] [2020-10-13 15:48:30,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:30,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:30,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:31,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:31,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:32,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:32,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:34,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:35,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:48:35,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 15:48:35,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-13 15:48:35,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 15:48:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:35,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-13 15:48:36,250 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:48:36,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:36,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:48:36,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:36,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:36,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:36,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:36,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:36,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:36,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:36,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:48:36,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:48:36,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:48:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:36,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:48:36,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:48:36,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:36,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:36,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:48:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:36,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:48:38,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:48:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1938 [2020-10-13 15:48:38,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:48:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:38,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:38,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:38,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:38,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:38,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:38,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 15:48:38,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:48:38,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:38,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 15:48:38,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:48:38,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:48:38,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:38,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:38,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:48:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:48:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:38,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:38,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:48:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:38,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:48:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:38,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:38,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:38,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:48:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:48:38,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:48:38,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:48:38,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:48:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:38,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:38,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,942 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 15:48:38,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37592039] [2020-10-13 15:48:38,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:38,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:38,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682501332] [2020-10-13 15:48:38,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:38,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:38,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:38,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:38,970 INFO L87 Difference]: Start difference. First operand 481 states. Second operand 10 states. [2020-10-13 15:48:39,344 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:48:40,960 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:48:41,221 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-13 15:48:41,483 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:48:41,877 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:48:42,018 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-13 15:48:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:49,275 INFO L93 Difference]: Finished difference Result 1274 states and 2114 transitions. [2020-10-13 15:48:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:48:49,282 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2020-10-13 15:48:49,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:49,311 INFO L225 Difference]: With dead ends: 1274 [2020-10-13 15:48:49,311 INFO L226 Difference]: Without dead ends: 812 [2020-10-13 15:48:49,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:48:49,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-10-13 15:48:49,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 477. [2020-10-13 15:48:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 15:48:49,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 700 transitions. [2020-10-13 15:48:49,545 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 700 transitions. Word has length 232 [2020-10-13 15:48:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:49,546 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 700 transitions. [2020-10-13 15:48:49,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 700 transitions. [2020-10-13 15:48:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:48:49,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:49,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:49,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:48:49,553 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:49,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:49,554 INFO L82 PathProgramCache]: Analyzing trace with hash 176283891, now seen corresponding path program 1 times [2020-10-13 15:48:49,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:49,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692343054] [2020-10-13 15:48:49,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:49,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:49,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:49,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:49,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:50,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:51,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:51,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:54,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:48:54,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-13 15:48:54,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-13 15:48:54,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:54,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:54,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 15:48:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:54,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:54,979 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:48:54,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:54,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:54,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:54,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:54,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:54,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:54,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:54,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:55,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:55,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:55,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:55,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:48:55,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:48:55,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:48:55,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:48:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:48:55,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:55,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:48:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:48:55,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:48:55,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-13 15:48:55,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:55,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 15:48:55,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:55,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:55,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 15:48:55,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:55,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:55,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:55,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:55,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:55,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:48:55,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:48:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:48:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:48:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:55,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:48:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:55,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:48:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:48:55,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:48:55,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:48:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:48:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:55,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:55,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:55,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:55,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:55,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:55,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:55,829 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 15:48:55,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692343054] [2020-10-13 15:48:55,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:55,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:55,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885153719] [2020-10-13 15:48:55,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:55,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:55,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:55,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:55,835 INFO L87 Difference]: Start difference. First operand 477 states and 700 transitions. Second operand 10 states. [2020-10-13 15:48:56,029 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:48:56,283 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:48:58,403 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:48:58,678 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-13 15:48:58,836 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-13 15:48:59,104 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:48:59,260 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 15:48:59,518 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-13 15:49:05,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:05,869 INFO L93 Difference]: Finished difference Result 1253 states and 1966 transitions. [2020-10-13 15:49:05,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:05,870 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2020-10-13 15:49:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:05,879 INFO L225 Difference]: With dead ends: 1253 [2020-10-13 15:49:05,879 INFO L226 Difference]: Without dead ends: 807 [2020-10-13 15:49:05,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:05,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-10-13 15:49:05,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 482. [2020-10-13 15:49:05,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-10-13 15:49:05,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 705 transitions. [2020-10-13 15:49:05,974 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 705 transitions. Word has length 232 [2020-10-13 15:49:05,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:05,975 INFO L479 AbstractCegarLoop]: Abstraction has 482 states and 705 transitions. [2020-10-13 15:49:05,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 705 transitions. [2020-10-13 15:49:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:49:05,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:05,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:05,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:49:05,981 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:05,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:05,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1796881487, now seen corresponding path program 1 times [2020-10-13 15:49:05,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:05,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295308935] [2020-10-13 15:49:05,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:06,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:49:11,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-13 15:49:11,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-13 15:49:11,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:11,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 217 [2020-10-13 15:49:11,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:11,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,317 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:49:11,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:11,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:49:11,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:11,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:11,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:11,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:11,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:49:11,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:11,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:49:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:11,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:11,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:49:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:49:11,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 15:49:11,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:11,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 15:49:11,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:11,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:49:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:49:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:11,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:11,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:49:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:49:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:11,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:49:11,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:49:11,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:49:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:11,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:11,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:11,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295308935] [2020-10-13 15:49:11,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:11,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:11,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313161316] [2020-10-13 15:49:11,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:11,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:11,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:11,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:11,876 INFO L87 Difference]: Start difference. First operand 482 states and 705 transitions. Second operand 10 states. [2020-10-13 15:49:14,517 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:49:14,777 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-13 15:49:14,926 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-13 15:49:15,191 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:49:15,335 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 15:49:15,595 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-13 15:49:21,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:21,398 INFO L93 Difference]: Finished difference Result 1247 states and 1949 transitions. [2020-10-13 15:49:21,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:21,398 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2020-10-13 15:49:21,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:21,411 INFO L225 Difference]: With dead ends: 1247 [2020-10-13 15:49:21,412 INFO L226 Difference]: Without dead ends: 796 [2020-10-13 15:49:21,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:21,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-10-13 15:49:21,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 487. [2020-10-13 15:49:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-10-13 15:49:21,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 710 transitions. [2020-10-13 15:49:21,508 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 710 transitions. Word has length 232 [2020-10-13 15:49:21,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:21,509 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 710 transitions. [2020-10-13 15:49:21,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 710 transitions. [2020-10-13 15:49:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:49:21,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:21,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:21,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:49:21,513 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:21,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:21,514 INFO L82 PathProgramCache]: Analyzing trace with hash -920862481, now seen corresponding path program 1 times [2020-10-13 15:49:21,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:21,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315685954] [2020-10-13 15:49:21,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:21,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:22,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:22,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:22,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:22,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:22,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:22,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:22,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:22,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:24,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:26,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:26,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:49:26,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-13 15:49:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 15:49:26,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:49:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:49:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:26,828 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:49:26,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:26,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:26,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:26,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:26,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:26,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:26,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:26,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:26,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:26,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:26,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:26,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:26,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:26,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:26,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:26,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:49:26,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:26,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:26,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:26,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:26,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:26,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:26,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:26,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:26,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:26,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:26,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:26,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:26,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:49:26,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:49:26,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:26,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 15:49:26,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:49:26,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:27,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:49:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:27,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:49:27,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:49:27,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:49:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:49:27,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 15:49:27,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:49:27,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:49:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:49:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:27,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:27,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:49:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:27,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:49:27,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:49:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:49:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:27,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:27,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:27,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:27,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:27,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:27,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:27,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:27,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:27,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:27,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:27,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315685954] [2020-10-13 15:49:27,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:27,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:49:27,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892807421] [2020-10-13 15:49:27,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:49:27,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:27,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:49:27,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:49:27,401 INFO L87 Difference]: Start difference. First operand 487 states and 710 transitions. Second operand 8 states. [2020-10-13 15:49:27,618 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:49:27,741 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 15:49:28,002 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:49:28,159 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:49:33,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:33,673 INFO L93 Difference]: Finished difference Result 1266 states and 1928 transitions. [2020-10-13 15:49:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:49:33,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 232 [2020-10-13 15:49:33,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:33,680 INFO L225 Difference]: With dead ends: 1266 [2020-10-13 15:49:33,680 INFO L226 Difference]: Without dead ends: 794 [2020-10-13 15:49:33,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:49:33,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2020-10-13 15:49:33,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 487. [2020-10-13 15:49:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-10-13 15:49:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 709 transitions. [2020-10-13 15:49:33,768 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 709 transitions. Word has length 232 [2020-10-13 15:49:33,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:33,769 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 709 transitions. [2020-10-13 15:49:33,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:49:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 709 transitions. [2020-10-13 15:49:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:49:33,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:33,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:33,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:49:33,773 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:33,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:33,773 INFO L82 PathProgramCache]: Analyzing trace with hash -863997135, now seen corresponding path program 1 times [2020-10-13 15:49:33,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:33,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [767383140] [2020-10-13 15:49:33,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:33,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:33,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:33,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:38,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:38,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:49:38,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 35 [2020-10-13 15:49:38,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 15:49:38,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:49:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 15:49:38,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,098 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:49:39,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:39,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:49:39,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:39,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:39,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:39,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:39,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:49:39,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:39,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:49:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:49:39,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:49:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:39,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:39,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:49:39,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:49:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:49:39,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 15:49:39,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:49:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:49:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:49:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:49:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:39,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:49:39,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:49:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:49:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:39,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:39,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [767383140] [2020-10-13 15:49:39,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:39,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:49:39,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992913617] [2020-10-13 15:49:39,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:49:39,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:39,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:49:39,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:49:39,507 INFO L87 Difference]: Start difference. First operand 487 states and 709 transitions. Second operand 8 states. [2020-10-13 15:49:39,771 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:49:39,891 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 15:49:40,152 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:49:40,300 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:49:47,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:47,742 INFO L93 Difference]: Finished difference Result 1258 states and 1911 transitions. [2020-10-13 15:49:47,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:49:47,743 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 232 [2020-10-13 15:49:47,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:47,750 INFO L225 Difference]: With dead ends: 1258 [2020-10-13 15:49:47,751 INFO L226 Difference]: Without dead ends: 794 [2020-10-13 15:49:47,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:49:47,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2020-10-13 15:49:47,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 487. [2020-10-13 15:49:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-10-13 15:49:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 708 transitions. [2020-10-13 15:49:47,925 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 708 transitions. Word has length 232 [2020-10-13 15:49:47,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:47,926 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 708 transitions. [2020-10-13 15:49:47,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:49:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 708 transitions. [2020-10-13 15:49:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:49:47,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:47,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:47,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:49:47,938 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:47,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:47,939 INFO L82 PathProgramCache]: Analyzing trace with hash 9668467, now seen corresponding path program 1 times [2020-10-13 15:49:47,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:47,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661569179] [2020-10-13 15:49:47,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:48,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:50,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:49:53,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-13 15:49:53,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 15:49:53,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:49:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:49:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 15:49:53,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,256 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:49:53,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:53,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:49:53,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:53,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:53,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:53,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:53,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:49:53,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:53,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:49:53,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:53,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:49:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:49:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:53,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 15:49:53,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:53,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:49:53,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:49:53,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:49:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:49:53,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 15:49:53,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:49:53,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:53,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:53,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:49:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:49:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:53,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:49:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:53,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:49:53,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:49:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:49:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:53,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:53,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:53,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:53,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661569179] [2020-10-13 15:49:53,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:53,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:49:53,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549512921] [2020-10-13 15:49:53,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:49:53,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:53,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:49:53,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:49:53,715 INFO L87 Difference]: Start difference. First operand 487 states and 708 transitions. Second operand 8 states. [2020-10-13 15:49:53,961 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:50:00,336 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:50:05,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:05,125 INFO L93 Difference]: Finished difference Result 1986 states and 3038 transitions. [2020-10-13 15:50:05,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:50:05,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 232 [2020-10-13 15:50:05,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:05,138 INFO L225 Difference]: With dead ends: 1986 [2020-10-13 15:50:05,138 INFO L226 Difference]: Without dead ends: 1529 [2020-10-13 15:50:05,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-13 15:50:05,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2020-10-13 15:50:05,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 958. [2020-10-13 15:50:05,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:50:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1409 transitions. [2020-10-13 15:50:05,297 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1409 transitions. Word has length 232 [2020-10-13 15:50:05,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:05,298 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1409 transitions. [2020-10-13 15:50:05,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:50:05,298 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1409 transitions. [2020-10-13 15:50:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:50:05,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:05,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:05,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:50:05,300 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:05,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:05,301 INFO L82 PathProgramCache]: Analyzing trace with hash -257794705, now seen corresponding path program 1 times [2020-10-13 15:50:05,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:05,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2090836065] [2020-10-13 15:50:05,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:05,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:08,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:08,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:08,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:50:10,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 37 [2020-10-13 15:50:10,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 15:50:10,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:50:10,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,612 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:50:10,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:10,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:50:10,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:10,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:10,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:10,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:10,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:10,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:10,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:10,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:10,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:50:10,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:10,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:10,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:50:10,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:50:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:10,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:50:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:50:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:50:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:50:10,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 15:50:10,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:50:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:10,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:50:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:10,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:10,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:50:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:10,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:10,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:50:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:10,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:50:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:10,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:10,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:10,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:10,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:10,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:10,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:10,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:10,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:10,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:10,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:11,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2090836065] [2020-10-13 15:50:11,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:11,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:50:11,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525704456] [2020-10-13 15:50:11,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:50:11,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:11,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:50:11,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:50:11,039 INFO L87 Difference]: Start difference. First operand 958 states and 1409 transitions. Second operand 9 states. [2020-10-13 15:50:11,313 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:50:11,436 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:50:11,609 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:50:18,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:18,094 INFO L93 Difference]: Finished difference Result 2422 states and 3680 transitions. [2020-10-13 15:50:18,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:50:18,095 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:50:18,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:18,104 INFO L225 Difference]: With dead ends: 2422 [2020-10-13 15:50:18,105 INFO L226 Difference]: Without dead ends: 1494 [2020-10-13 15:50:18,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:18,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2020-10-13 15:50:18,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 958. [2020-10-13 15:50:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:50:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1402 transitions. [2020-10-13 15:50:18,276 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1402 transitions. Word has length 232 [2020-10-13 15:50:18,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:18,277 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1402 transitions. [2020-10-13 15:50:18,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:50:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1402 transitions. [2020-10-13 15:50:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:50:18,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:18,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:18,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:50:18,280 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:18,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:18,280 INFO L82 PathProgramCache]: Analyzing trace with hash 10672115, now seen corresponding path program 1 times [2020-10-13 15:50:18,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:18,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218647823] [2020-10-13 15:50:18,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:19,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:20,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:21,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:50:23,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-13 15:50:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 15:50:23,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:50:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,616 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:50:23,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:23,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:23,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:23,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:23,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:23,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:23,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:23,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:23,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:23,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:50:23,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:50:23,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:50:23,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:50:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:23,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:50:23,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:50:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:50:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:50:23,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 15:50:23,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:50:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:23,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:50:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:23,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:50:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:23,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:23,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:50:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:23,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:50:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:23,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:23,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:23,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:23,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:23,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:23,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:23,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:23,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:24,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218647823] [2020-10-13 15:50:24,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:24,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:50:24,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934803324] [2020-10-13 15:50:24,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:50:24,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:24,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:50:24,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:50:24,020 INFO L87 Difference]: Start difference. First operand 958 states and 1402 transitions. Second operand 9 states. [2020-10-13 15:50:24,267 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:50:30,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:30,934 INFO L93 Difference]: Finished difference Result 2419 states and 3659 transitions. [2020-10-13 15:50:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:50:30,935 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:50:30,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:30,944 INFO L225 Difference]: With dead ends: 2419 [2020-10-13 15:50:30,944 INFO L226 Difference]: Without dead ends: 1491 [2020-10-13 15:50:30,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:30,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2020-10-13 15:50:31,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 958. [2020-10-13 15:50:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:50:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1395 transitions. [2020-10-13 15:50:31,146 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1395 transitions. Word has length 232 [2020-10-13 15:50:31,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:31,146 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1395 transitions. [2020-10-13 15:50:31,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:50:31,146 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1395 transitions. [2020-10-13 15:50:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:50:31,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:31,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:31,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:50:31,149 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:31,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:31,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1919829711, now seen corresponding path program 1 times [2020-10-13 15:50:31,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:31,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149609754] [2020-10-13 15:50:31,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:31,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:31,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:32,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:33,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:33,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:34,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:50:36,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 35 [2020-10-13 15:50:36,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:50:36,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 15:50:36,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,450 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:50:36,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:36,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:50:36,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:36,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:36,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:36,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:36,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:36,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:36,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:36,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:50:36,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:36,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:50:36,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:50:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:36,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:50:36,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:50:36,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:50:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:50:36,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:50:36,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:50:36,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:36,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:36,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:36,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:36,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:36,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:36,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:36,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:36,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:36,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:36,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:36,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:36,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:50:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:36,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:36,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:36,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:50:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:36,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:36,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:50:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:50:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:36,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:36,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:36,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:36,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:36,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:36,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:36,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:36,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:36,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:36,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149609754] [2020-10-13 15:50:36,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:36,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:50:36,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663425272] [2020-10-13 15:50:36,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:50:36,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:36,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:50:36,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:50:36,829 INFO L87 Difference]: Start difference. First operand 958 states and 1395 transitions. Second operand 9 states. [2020-10-13 15:50:37,097 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:50:37,218 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:50:37,395 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:50:44,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:44,375 INFO L93 Difference]: Finished difference Result 2416 states and 3638 transitions. [2020-10-13 15:50:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:50:44,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:50:44,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:44,381 INFO L225 Difference]: With dead ends: 2416 [2020-10-13 15:50:44,381 INFO L226 Difference]: Without dead ends: 1488 [2020-10-13 15:50:44,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:44,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2020-10-13 15:50:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 958. [2020-10-13 15:50:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:50:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1388 transitions. [2020-10-13 15:50:44,618 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1388 transitions. Word has length 232 [2020-10-13 15:50:44,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:44,618 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1388 transitions. [2020-10-13 15:50:44,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:50:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1388 transitions. [2020-10-13 15:50:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:50:44,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:44,621 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:44,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:50:44,622 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:44,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:44,622 INFO L82 PathProgramCache]: Analyzing trace with hash 297206965, now seen corresponding path program 1 times [2020-10-13 15:50:44,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:44,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080313999] [2020-10-13 15:50:44,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:44,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:44,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:44,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:46,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:47,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:49,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:49,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:50:49,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-13 15:50:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 15:50:49,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 15:50:49,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:49,944 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:50:49,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:49,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:49,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:49,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:49,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:49,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:50:49,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:49,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:50,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:50,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:50,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:50,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:50:50,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:50,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:50:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:50:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:50,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:50:50,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:50,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:50,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:50:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:50:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:50:50,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:50:50,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:50:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:50,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:50,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:50,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:50,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:50,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:50,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:50,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:50,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:50,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:50,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:50,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:50,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:50:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:50,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:50,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:50:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:50,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:50,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:50:50,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:50:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:50,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:50,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:50,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:50,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:50,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:50,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:50,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080313999] [2020-10-13 15:50:50,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:50,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:50:50,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062526959] [2020-10-13 15:50:50,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:50:50,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:50,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:50:50,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:50:50,338 INFO L87 Difference]: Start difference. First operand 958 states and 1388 transitions. Second operand 9 states. [2020-10-13 15:50:50,616 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:50:50,738 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:50:50,915 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:50:57,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:57,598 INFO L93 Difference]: Finished difference Result 2413 states and 3617 transitions. [2020-10-13 15:50:57,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:50:57,599 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:50:57,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:57,604 INFO L225 Difference]: With dead ends: 2413 [2020-10-13 15:50:57,604 INFO L226 Difference]: Without dead ends: 1485 [2020-10-13 15:50:57,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:57,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2020-10-13 15:50:57,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 958. [2020-10-13 15:50:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:50:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1381 transitions. [2020-10-13 15:50:57,836 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1381 transitions. Word has length 232 [2020-10-13 15:50:57,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:57,837 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1381 transitions. [2020-10-13 15:50:57,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:50:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1381 transitions. [2020-10-13 15:50:57,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:50:57,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:57,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:57,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:50:57,841 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:57,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:57,842 INFO L82 PathProgramCache]: Analyzing trace with hash 230176945, now seen corresponding path program 1 times [2020-10-13 15:50:57,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:57,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104595803] [2020-10-13 15:50:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:00,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:51:02,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-13 15:51:02,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:51:02,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:02,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:02,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 15:51:02,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,140 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:51:03,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:03,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:51:03,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:03,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:03,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:03,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:03,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:03,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:03,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:03,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:03,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:51:03,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:03,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:03,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:51:03,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:51:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:03,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:51:03,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:51:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:51:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:51:03,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:51:03,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:51:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:03,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:51:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:51:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:03,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:03,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:51:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:03,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:03,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104595803] [2020-10-13 15:51:03,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:03,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:03,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436992230] [2020-10-13 15:51:03,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:03,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:03,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:03,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:03,491 INFO L87 Difference]: Start difference. First operand 958 states and 1381 transitions. Second operand 9 states. [2020-10-13 15:51:03,758 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:51:03,883 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:51:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:10,772 INFO L93 Difference]: Finished difference Result 2410 states and 3596 transitions. [2020-10-13 15:51:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:10,772 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:51:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:10,780 INFO L225 Difference]: With dead ends: 2410 [2020-10-13 15:51:10,780 INFO L226 Difference]: Without dead ends: 1482 [2020-10-13 15:51:10,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-10-13 15:51:10,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 958. [2020-10-13 15:51:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:51:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1374 transitions. [2020-10-13 15:51:10,987 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1374 transitions. Word has length 232 [2020-10-13 15:51:10,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:10,987 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1374 transitions. [2020-10-13 15:51:10,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1374 transitions. [2020-10-13 15:51:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:51:10,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:10,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:10,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:51:10,990 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:10,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:10,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1157458635, now seen corresponding path program 1 times [2020-10-13 15:51:10,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:10,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425728054] [2020-10-13 15:51:10,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:11,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:51:16,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-13 15:51:16,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:51:16,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:16,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:16,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 15:51:16,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,263 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:51:16,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:16,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:51:16,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:16,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:16,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:51:16,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:16,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:16,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:16,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:16,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:51:16,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:16,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:51:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:51:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:16,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:51:16,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:16,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:51:16,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:51:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:51:16,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 15:51:16,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:51:16,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:16,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:16,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:16,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:16,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:16,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:16,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:16,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:16,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:16,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:16,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:16,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:16,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:51:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:16,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:16,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:51:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:16,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:16,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:51:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:16,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:16,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:16,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:16,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:16,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:16,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:16,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:16,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425728054] [2020-10-13 15:51:16,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:16,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:16,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778454288] [2020-10-13 15:51:16,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:16,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:16,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:16,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:16,644 INFO L87 Difference]: Start difference. First operand 958 states and 1374 transitions. Second operand 9 states. [2020-10-13 15:51:16,921 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:51:17,047 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:51:17,220 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:51:23,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:23,794 INFO L93 Difference]: Finished difference Result 2410 states and 3581 transitions. [2020-10-13 15:51:23,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:23,794 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:51:23,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:23,802 INFO L225 Difference]: With dead ends: 2410 [2020-10-13 15:51:23,802 INFO L226 Difference]: Without dead ends: 1482 [2020-10-13 15:51:23,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:23,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-10-13 15:51:23,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 958. [2020-10-13 15:51:23,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:51:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1367 transitions. [2020-10-13 15:51:23,969 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1367 transitions. Word has length 232 [2020-10-13 15:51:23,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:23,970 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1367 transitions. [2020-10-13 15:51:23,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1367 transitions. [2020-10-13 15:51:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:51:23,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:23,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:23,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:51:23,973 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:23,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:23,973 INFO L82 PathProgramCache]: Analyzing trace with hash 159531705, now seen corresponding path program 1 times [2020-10-13 15:51:23,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:23,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010651034] [2020-10-13 15:51:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:24,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:27,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:51:29,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-13 15:51:29,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:51:29,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:29,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:29,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 15:51:29,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,258 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:51:29,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:29,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:51:29,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:29,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:51:29,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:29,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:29,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:29,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:29,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:51:29,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:29,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:51:29,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:51:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:29,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:51:29,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:51:29,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:51:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:51:29,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 15:51:29,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:51:29,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:29,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:29,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:29,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:29,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:29,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:51:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:29,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:51:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:29,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:29,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:51:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:29,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:29,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:29,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:29,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:29,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:29,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:29,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:29,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010651034] [2020-10-13 15:51:29,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:29,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:29,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086308320] [2020-10-13 15:51:29,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:29,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:29,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:29,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:29,651 INFO L87 Difference]: Start difference. First operand 958 states and 1367 transitions. Second operand 9 states. [2020-10-13 15:51:29,922 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:51:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:36,760 INFO L93 Difference]: Finished difference Result 2410 states and 3563 transitions. [2020-10-13 15:51:36,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:36,760 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:51:36,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:36,768 INFO L225 Difference]: With dead ends: 2410 [2020-10-13 15:51:36,768 INFO L226 Difference]: Without dead ends: 1482 [2020-10-13 15:51:36,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:36,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-10-13 15:51:37,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 958. [2020-10-13 15:51:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:51:37,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1360 transitions. [2020-10-13 15:51:37,037 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1360 transitions. Word has length 232 [2020-10-13 15:51:37,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:37,037 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1360 transitions. [2020-10-13 15:51:37,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:37,037 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1360 transitions. [2020-10-13 15:51:37,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:51:37,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:37,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:37,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:51:37,040 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:37,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:37,040 INFO L82 PathProgramCache]: Analyzing trace with hash 894751925, now seen corresponding path program 1 times [2020-10-13 15:51:37,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:37,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662150823] [2020-10-13 15:51:37,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:40,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:51:42,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-13 15:51:42,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 15:51:42,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 15:51:42,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,380 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:51:42,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:42,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:51:42,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:42,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:42,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:42,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:51:42,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:42,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:42,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:42,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:42,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:51:42,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:51:42,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:51:42,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:51:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:42,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:51:42,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:42,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:42,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:51:42,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:51:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:51:42,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:51:42,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:51:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:42,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:51:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:42,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:42,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:51:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:42,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:51:42,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:51:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:42,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:42,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:42,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:42,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:42,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662150823] [2020-10-13 15:51:42,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:42,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:42,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862298105] [2020-10-13 15:51:42,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:42,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:42,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:42,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:42,727 INFO L87 Difference]: Start difference. First operand 958 states and 1360 transitions. Second operand 9 states. [2020-10-13 15:51:42,998 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:51:43,119 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:51:43,303 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:51:49,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:49,180 INFO L93 Difference]: Finished difference Result 2410 states and 3545 transitions. [2020-10-13 15:51:49,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:49,181 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:51:49,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:49,188 INFO L225 Difference]: With dead ends: 2410 [2020-10-13 15:51:49,188 INFO L226 Difference]: Without dead ends: 1482 [2020-10-13 15:51:49,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:49,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-10-13 15:51:49,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 958. [2020-10-13 15:51:49,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:51:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1353 transitions. [2020-10-13 15:51:49,408 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1353 transitions. Word has length 232 [2020-10-13 15:51:49,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:49,408 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1353 transitions. [2020-10-13 15:51:49,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1353 transitions. [2020-10-13 15:51:49,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:51:49,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:49,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:49,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:51:49,410 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:49,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:49,410 INFO L82 PathProgramCache]: Analyzing trace with hash -467004615, now seen corresponding path program 1 times [2020-10-13 15:51:49,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:49,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970653136] [2020-10-13 15:51:49,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:49,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:49,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:50,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:50,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:50,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:51,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:52,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:51:54,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-13 15:51:54,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:51:54,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 15:51:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,685 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:51:54,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:54,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:51:54,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:54,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:51:54,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:54,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:54,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:54,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:54,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:54,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:51:54,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:54,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:51:54,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:51:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:54,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:51:54,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:51:54,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:51:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:51:54,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:51:54,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:51:54,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:54,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:54,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:54,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:54,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:54,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:54,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:54,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:54,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:54,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:54,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:54,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:54,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:54,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:51:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:54,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:54,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:54,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:54,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:55,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:51:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:55,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:55,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:55,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:55,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:51:55,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:55,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:51:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:55,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:55,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:55,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:55,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:55,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:55,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:55,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:55,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [970653136] [2020-10-13 15:51:55,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:55,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:55,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954397750] [2020-10-13 15:51:55,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:55,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:55,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:55,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:55,057 INFO L87 Difference]: Start difference. First operand 958 states and 1353 transitions. Second operand 9 states. [2020-10-13 15:51:55,327 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:51:55,450 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:52:02,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:02,279 INFO L93 Difference]: Finished difference Result 2410 states and 3527 transitions. [2020-10-13 15:52:02,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:52:02,280 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:52:02,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:02,290 INFO L225 Difference]: With dead ends: 2410 [2020-10-13 15:52:02,291 INFO L226 Difference]: Without dead ends: 1482 [2020-10-13 15:52:02,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:02,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-10-13 15:52:02,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 958. [2020-10-13 15:52:02,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:52:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1346 transitions. [2020-10-13 15:52:02,500 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1346 transitions. Word has length 232 [2020-10-13 15:52:02,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:02,500 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1346 transitions. [2020-10-13 15:52:02,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:52:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1346 transitions. [2020-10-13 15:52:02,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:52:02,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:02,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:52:02,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:52:02,503 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:02,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:02,503 INFO L82 PathProgramCache]: Analyzing trace with hash -940240265, now seen corresponding path program 1 times [2020-10-13 15:52:02,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:02,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327037709] [2020-10-13 15:52:02,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:02,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:02,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:03,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:04,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:06,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:07,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:07,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:52:07,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:52:07,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 15:52:07,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:07,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 15:52:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:07,788 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:52:07,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:07,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:07,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:07,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:07,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:52:07,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:07,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:07,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:07,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:07,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:07,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:07,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:07,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:07,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:07,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:07,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:07,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:07,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:07,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:07,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:07,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:07,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:07,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:07,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:07,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:07,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:52:07,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:52:07,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:52:07,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:07,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:52:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:07,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:07,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:07,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:07,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:07,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:52:07,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:07,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:07,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:52:07,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:52:08,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:52:08,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:52:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:52:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:52:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:52:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:52:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:52:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:52:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:52:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:08,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:52:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:08,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:52:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:08,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:52:08,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:52:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:52:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:08,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:08,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:08,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:52:08,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327037709] [2020-10-13 15:52:08,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:08,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:52:08,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968372603] [2020-10-13 15:52:08,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:52:08,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:08,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:52:08,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:52:08,143 INFO L87 Difference]: Start difference. First operand 958 states and 1346 transitions. Second operand 9 states. [2020-10-13 15:52:08,413 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:52:08,539 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:52:08,713 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:52:15,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:15,120 INFO L93 Difference]: Finished difference Result 2410 states and 3509 transitions. [2020-10-13 15:52:15,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:52:15,121 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:52:15,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:15,127 INFO L225 Difference]: With dead ends: 2410 [2020-10-13 15:52:15,128 INFO L226 Difference]: Without dead ends: 1482 [2020-10-13 15:52:15,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:15,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-10-13 15:52:15,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 958. [2020-10-13 15:52:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-10-13 15:52:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1339 transitions. [2020-10-13 15:52:15,343 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1339 transitions. Word has length 232 [2020-10-13 15:52:15,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:15,343 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1339 transitions. [2020-10-13 15:52:15,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:52:15,343 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1339 transitions. [2020-10-13 15:52:15,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:52:15,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:15,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:52:15,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 15:52:15,346 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:15,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:15,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1632641531, now seen corresponding path program 1 times [2020-10-13 15:52:15,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:15,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1537456477] [2020-10-13 15:52:15,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:15,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:15,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:16,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking...