/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.06.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:45:13,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:45:13,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:45:13,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:45:13,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:45:13,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:45:13,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:45:13,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:45:13,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:45:13,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:45:13,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:45:13,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:45:13,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:45:13,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:45:13,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:45:13,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:45:13,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:45:13,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:45:13,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:45:13,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:45:13,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:45:13,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:45:13,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:45:13,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:45:13,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:45:13,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:45:13,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:45:13,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:45:13,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:45:13,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:45:13,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:45:13,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:45:13,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:45:13,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:45:13,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:45:13,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:45:13,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:45:13,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:45:13,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:45:13,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:45:13,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:45:13,978 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 15:45:14,014 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:45:14,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:45:14,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:45:14,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:45:14,016 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:45:14,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:45:14,016 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:45:14,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:45:14,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:45:14,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:45:14,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:45:14,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:45:14,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:45:14,019 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:45:14,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:45:14,019 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:45:14,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:45:14,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:45:14,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:45:14,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:45:14,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:45:14,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:45:14,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:45:14,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:45:14,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:45:14,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:45:14,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:45:14,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:45:14,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:45:14,022 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 15:45:14,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:45:14,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:45:14,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:45:14,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:45:14,322 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:45:14,323 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.06.cil-2.c [2020-10-13 15:45:14,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c5c3dd59/3250dabebcf64f77b81afb59038b3573/FLAG0ca00dfff [2020-10-13 15:45:14,836 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:45:14,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.06.cil-2.c [2020-10-13 15:45:14,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c5c3dd59/3250dabebcf64f77b81afb59038b3573/FLAG0ca00dfff [2020-10-13 15:45:15,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c5c3dd59/3250dabebcf64f77b81afb59038b3573 [2020-10-13 15:45:15,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:45:15,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:45:15,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:45:15,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:45:15,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:45:15,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:45:15" (1/1) ... [2020-10-13 15:45:15,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3eedfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15, skipping insertion in model container [2020-10-13 15:45:15,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:45:15" (1/1) ... [2020-10-13 15:45:15,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:45:15,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:45:15,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:45:15,548 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:45:15,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:45:15,726 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:45:15,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15 WrapperNode [2020-10-13 15:45:15,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:45:15,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:45:15,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:45:15,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:45:15,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15" (1/1) ... [2020-10-13 15:45:15,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15" (1/1) ... [2020-10-13 15:45:15,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15" (1/1) ... [2020-10-13 15:45:15,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15" (1/1) ... [2020-10-13 15:45:15,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15" (1/1) ... [2020-10-13 15:45:15,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15" (1/1) ... [2020-10-13 15:45:15,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15" (1/1) ... [2020-10-13 15:45:15,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:45:15,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:45:15,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:45:15,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:45:15,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15" (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 15:45:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:45:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:45:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:45:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:45:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:45:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:45:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-13 15:45:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-13 15:45:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-13 15:45:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-13 15:45:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:45:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:45:15,853 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:45:15,853 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-13 15:45:15,853 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-13 15:45:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-13 15:45:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-13 15:45:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:45:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:45:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:45:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:45:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:45:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:45:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:45:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:45:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:45:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:45:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:45:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:45:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:45:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:45:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:45:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:45:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:45:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:45:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:45:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-13 15:45:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-13 15:45:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-13 15:45:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-13 15:45:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:45:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:45:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:45:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:45:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:45:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-13 15:45:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-13 15:45:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-13 15:45:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-13 15:45:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:45:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:45:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:45:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:45:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:45:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:45:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:45:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:45:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:45:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:45:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:45:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:45:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:45:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:45:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:45:16,567 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:45:16,568 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-13 15:45:16,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:45:16 BoogieIcfgContainer [2020-10-13 15:45:16,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:45:16,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:45:16,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:45:16,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:45:16,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:45:15" (1/3) ... [2020-10-13 15:45:16,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86d4614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:45:16, skipping insertion in model container [2020-10-13 15:45:16,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:15" (2/3) ... [2020-10-13 15:45:16,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86d4614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:45:16, skipping insertion in model container [2020-10-13 15:45:16,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:45:16" (3/3) ... [2020-10-13 15:45:16,582 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.06.cil-2.c [2020-10-13 15:45:16,593 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:45:16,601 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:45:16,616 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:45:16,642 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:45:16,642 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:45:16,642 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:45:16,643 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:45:16,643 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:45:16,643 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:45:16,643 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:45:16,644 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:45:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2020-10-13 15:45:16,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:45:16,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:16,687 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] [2020-10-13 15:45:16,687 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:16,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1758161547, now seen corresponding path program 1 times [2020-10-13 15:45:16,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:16,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35560755] [2020-10-13 15:45:16,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:17,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:17,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:17,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:18,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:21,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:21,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:45:21,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:45:21,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:45:21,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:45:22,211 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 15:45:22,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:22,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:22,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:22,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:22,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:22,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:45:22,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:22,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:22,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:22,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:22,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:22,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:45:22,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:22,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:22,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:22,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:22,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:22,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:22,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:22,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:22,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:22,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:22,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:22,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:22,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:22,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:22,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:22,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:22,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:45:22,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:22,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:22,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:22,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:22,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:45:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:22,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:22,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:22,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:45:22,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:22,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:45:22,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:22,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:22,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:45:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:22,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:22,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:22,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:45:23,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:45:23,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1192 [2020-10-13 15:45:23,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 15:45:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:23,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:23,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:23,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:23,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:23,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:23,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:23,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:23,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:23,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:23,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:23,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:23,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:23,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:23,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:23,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:23,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:23,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:23,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:23,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:23,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:23,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:23,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:23,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:23,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:45:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:23,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:23,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:23,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:23,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:23,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:23,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:45:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:23,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:23,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:23,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:23,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:23,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:23,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:23,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:45:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:23,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:23,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:23,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:45:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:45:23,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:45:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:23,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:23,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:23,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:23,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:23,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:45:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:23,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:45:23,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:23,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:45:23,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:23,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:45:23,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:23,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:23,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:45:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:23,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:23,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:23,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:23,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:23,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:23,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:23,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:23,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:23,807 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 15:45:23,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35560755] [2020-10-13 15:45:23,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:45:23,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:45:23,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869730751] [2020-10-13 15:45:23,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:45:23,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:23,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:45:23,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:45:23,842 INFO L87 Difference]: Start difference. First operand 294 states. Second operand 10 states. [2020-10-13 15:45:25,189 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-13 15:45:25,313 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-13 15:45:25,680 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:45:28,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:28,599 INFO L93 Difference]: Finished difference Result 753 states and 1221 transitions. [2020-10-13 15:45:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:45:28,602 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:45:28,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:28,623 INFO L225 Difference]: With dead ends: 753 [2020-10-13 15:45:28,624 INFO L226 Difference]: Without dead ends: 472 [2020-10-13 15:45:28,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:45:28,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-10-13 15:45:28,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 290. [2020-10-13 15:45:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-10-13 15:45:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 412 transitions. [2020-10-13 15:45:28,746 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 412 transitions. Word has length 147 [2020-10-13 15:45:28,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:28,747 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 412 transitions. [2020-10-13 15:45:28,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:45:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 412 transitions. [2020-10-13 15:45:28,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:45:28,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:28,752 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] [2020-10-13 15:45:28,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:45:28,753 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:28,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:28,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1277081289, now seen corresponding path program 1 times [2020-10-13 15:45:28,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:28,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543599680] [2020-10-13 15:45:28,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:28,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:28,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:28,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:28,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:30,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:30,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:30,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:30,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:30,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:31,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:31,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:31,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:31,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:31,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:31,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:31,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:31,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:31,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:32,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:33,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:33,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:45:33,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 15:45:33,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:45:33,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 15:45:33,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:33,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:33,945 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 15:45:33,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:33,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:33,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:33,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:33,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:33,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:45:33,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:33,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:33,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:33,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:33,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:33,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:33,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:33,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:33,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:33,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:33,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:33,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:33,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:33,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:33,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:33,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:33,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:33,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:33,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:33,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:34,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:45:34,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:34,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:34,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:34,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:45:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:45:34,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:45:34,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:45:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:45:34,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:45:34,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-13 15:45:34,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 15:45:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:34,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:34,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:34,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:34,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:34,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:34,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:34,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:34,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:34,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:34,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:45:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:34,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:34,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:45:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:34,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:34,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:45:34,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:34,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:45:34,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:45:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:34,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:34,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:34,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:45:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:34,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:34,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:45:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:45:34,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:45:34,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:45:34,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:45:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:34,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:34,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:34,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:34,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:34,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:34,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:34,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:34,491 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 15:45:34,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543599680] [2020-10-13 15:45:34,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:45:34,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:45:34,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116459251] [2020-10-13 15:45:34,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:45:34,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:34,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:45:34,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:45:34,496 INFO L87 Difference]: Start difference. First operand 290 states and 412 transitions. Second operand 10 states. [2020-10-13 15:45:35,512 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-13 15:45:38,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:38,509 INFO L93 Difference]: Finished difference Result 749 states and 1151 transitions. [2020-10-13 15:45:38,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:45:38,509 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:45:38,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:38,520 INFO L225 Difference]: With dead ends: 749 [2020-10-13 15:45:38,520 INFO L226 Difference]: Without dead ends: 484 [2020-10-13 15:45:38,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:45:38,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-10-13 15:45:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 295. [2020-10-13 15:45:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-13 15:45:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 417 transitions. [2020-10-13 15:45:38,577 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 417 transitions. Word has length 147 [2020-10-13 15:45:38,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:38,578 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 417 transitions. [2020-10-13 15:45:38,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:45:38,578 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 417 transitions. [2020-10-13 15:45:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:45:38,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:38,581 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] [2020-10-13 15:45:38,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:45:38,581 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:38,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:38,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1837781067, now seen corresponding path program 1 times [2020-10-13 15:45:38,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:38,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39684018] [2020-10-13 15:45:38,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:38,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:39,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:41,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:45:43,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 15:45:43,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 15:45:43,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 15:45:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:43,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:43,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:45:43,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:43,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:43,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:43,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:43,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:45:43,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:43,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:45:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:45:43,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:43,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:43,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:43,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:45:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:45:43,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 15:45:43,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:45:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:45:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:43,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:43,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:45:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:43,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:45:43,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:43,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:43,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:43,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:43,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:43,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:43,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:44,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:44,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:44,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:44,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:44,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:44,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:44,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:44,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:44,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:44,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:44,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:44,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:44,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:45:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:44,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:44,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:44,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:44,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:44,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:44,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:44,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:44,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:45:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:44,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:44,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:44,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:44,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:44,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:44,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:44,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:44,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:45:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:44,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:44,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:44,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:44,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:44,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:44,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:44,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:44,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:44,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:44,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:44,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:45:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:44,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:44,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:44,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:44,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:44,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:45:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:44,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:44,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:45:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:44,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:44,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:45:44,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:45:44,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:45:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:44,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:45:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:44,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:44,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:44,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:44,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:44,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:44,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:44,081 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 15:45:44,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39684018] [2020-10-13 15:45:44,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:45:44,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:45:44,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963947741] [2020-10-13 15:45:44,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:45:44,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:44,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:45:44,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:45:44,086 INFO L87 Difference]: Start difference. First operand 295 states and 417 transitions. Second operand 10 states. [2020-10-13 15:45:48,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:45:48,396 INFO L93 Difference]: Finished difference Result 770 states and 1178 transitions. [2020-10-13 15:45:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:45:48,397 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:45:48,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:45:48,402 INFO L225 Difference]: With dead ends: 770 [2020-10-13 15:45:48,402 INFO L226 Difference]: Without dead ends: 500 [2020-10-13 15:45:48,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:45:48,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-10-13 15:45:48,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 300. [2020-10-13 15:45:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-10-13 15:45:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 422 transitions. [2020-10-13 15:45:48,451 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 422 transitions. Word has length 147 [2020-10-13 15:45:48,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:45:48,452 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 422 transitions. [2020-10-13 15:45:48,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:45:48,452 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 422 transitions. [2020-10-13 15:45:48,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:45:48,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:45:48,455 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] [2020-10-13 15:45:48,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:45:48,455 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:45:48,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:45:48,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1105801011, now seen corresponding path program 1 times [2020-10-13 15:45:48,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:45:48,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918033560] [2020-10-13 15:45:48,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:45:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:48,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:48,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:48,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:48,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:48,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:48,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:48,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:49,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:50,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:51,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:51,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:45:53,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 15:45:53,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:45:53,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:45:53,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-13 15:45:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:45:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,632 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 15:45:53,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:45:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:53,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:45:53,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:45:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:45:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:45:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:45:53,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:53,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:45:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:45:53,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:45:53,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:45:53,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:45:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:45:53,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:53,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:45:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:45:53,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:45:53,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 15:45:53,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:45:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:53,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:53,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:45:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:53,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:53,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:45:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:53,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:53,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:45:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:53,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:53,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:45:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:53,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:45:53,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:45:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:53,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:45:53,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:45:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:45:53,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:45:53,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:45:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:45:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:45:53,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:45:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:45:53,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 15:45:53,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:45:53,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:45:53,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:45:53,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:45:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:45:53,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:45:53,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:45:53,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:45:53,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:45:53,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:45:53,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:45:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:45:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:45:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:45:53,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:45:53,932 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 15:45:53,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918033560] [2020-10-13 15:45:53,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:45:53,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:45:53,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259304101] [2020-10-13 15:45:53,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:45:53,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:45:53,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:45:53,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:45:53,936 INFO L87 Difference]: Start difference. First operand 300 states and 422 transitions. Second operand 9 states. [2020-10-13 15:45:54,842 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 15:46:03,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:03,452 INFO L93 Difference]: Finished difference Result 1678 states and 2786 transitions. [2020-10-13 15:46:03,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 15:46:03,453 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-13 15:46:03,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:03,466 INFO L225 Difference]: With dead ends: 1678 [2020-10-13 15:46:03,467 INFO L226 Difference]: Without dead ends: 1403 [2020-10-13 15:46:03,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2020-10-13 15:46:03,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2020-10-13 15:46:03,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 971. [2020-10-13 15:46:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-10-13 15:46:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1481 transitions. [2020-10-13 15:46:03,661 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1481 transitions. Word has length 147 [2020-10-13 15:46:03,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:03,662 INFO L479 AbstractCegarLoop]: Abstraction has 971 states and 1481 transitions. [2020-10-13 15:46:03,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:46:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1481 transitions. [2020-10-13 15:46:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:46:03,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:03,664 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] [2020-10-13 15:46:03,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:46:03,665 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:03,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:03,665 INFO L82 PathProgramCache]: Analyzing trace with hash -971787505, now seen corresponding path program 1 times [2020-10-13 15:46:03,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:03,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002195742] [2020-10-13 15:46:03,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:03,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:03,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:03,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:03,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:03,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:06,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:06,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:07,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:08,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:08,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:46:08,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 15:46:08,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 15:46:08,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:46:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:46:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 15:46:08,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:08,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:08,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:08,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:08,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:08,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:08,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:46:08,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:46:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:08,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:08,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:08,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:08,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:08,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:08,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:46:08,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:46:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:08,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:08,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:08,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:08,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:08,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:08,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:08,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:08,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:08,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:08,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:08,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:46:08,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:08,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:46:08,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:08,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:08,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:46:08,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:46:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:08,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:08,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:08,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:08,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:08,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 15:46:08,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:08,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:46:08,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:46:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:46:09,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:46:09,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:46:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:09,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:09,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:09,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:09,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:09,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:09,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:46:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:09,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:09,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:46:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:09,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:09,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:09,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:46:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:09,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:09,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:09,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:46:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:09,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:09,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:46:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:09,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:46:09,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:46:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:46:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:09,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:09,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:09,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:09,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:09,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:09,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:09,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:09,178 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 15:46:09,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002195742] [2020-10-13 15:46:09,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:46:09,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:46:09,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229498392] [2020-10-13 15:46:09,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:46:09,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:09,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:46:09,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:46:09,182 INFO L87 Difference]: Start difference. First operand 971 states and 1481 transitions. Second operand 8 states. [2020-10-13 15:46:13,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:13,438 INFO L93 Difference]: Finished difference Result 3556 states and 5664 transitions. [2020-10-13 15:46:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:46:13,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2020-10-13 15:46:13,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:13,456 INFO L225 Difference]: With dead ends: 3556 [2020-10-13 15:46:13,456 INFO L226 Difference]: Without dead ends: 2609 [2020-10-13 15:46:13,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-13 15:46:13,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2020-10-13 15:46:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 1922. [2020-10-13 15:46:13,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1922 states. [2020-10-13 15:46:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2944 transitions. [2020-10-13 15:46:13,688 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2944 transitions. Word has length 147 [2020-10-13 15:46:13,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:13,689 INFO L479 AbstractCegarLoop]: Abstraction has 1922 states and 2944 transitions. [2020-10-13 15:46:13,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:46:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2944 transitions. [2020-10-13 15:46:13,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:46:13,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:13,691 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] [2020-10-13 15:46:13,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:46:13,692 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:13,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:13,692 INFO L82 PathProgramCache]: Analyzing trace with hash 175791123, now seen corresponding path program 1 times [2020-10-13 15:46:13,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:13,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454512926] [2020-10-13 15:46:13,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:13,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:13,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:13,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:13,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:13,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:13,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:14,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:15,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:16,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:16,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:46:18,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-13 15:46:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:46:18,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:46:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:46:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 15:46:18,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:46:18,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:46:18,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:18,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:18,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:46:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:18,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:18,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:18,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:46:18,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:46:18,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:46:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:46:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:18,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:18,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:18,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:18,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:46:18,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:18,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:18,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:18,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:46:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:46:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:46:19,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:46:19,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:46:19,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:46:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:46:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:46:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:46:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:19,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:19,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:46:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:19,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:19,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:46:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:46:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:19,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:19,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:19,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:19,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:19,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:19,105 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 15:46:19,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454512926] [2020-10-13 15:46:19,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:46:19,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:46:19,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460177859] [2020-10-13 15:46:19,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:46:19,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:19,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:46:19,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:46:19,108 INFO L87 Difference]: Start difference. First operand 1922 states and 2944 transitions. Second operand 10 states. [2020-10-13 15:46:22,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:22,983 INFO L93 Difference]: Finished difference Result 4447 states and 7036 transitions. [2020-10-13 15:46:22,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:46:22,984 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:46:22,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:23,008 INFO L225 Difference]: With dead ends: 4447 [2020-10-13 15:46:23,008 INFO L226 Difference]: Without dead ends: 2549 [2020-10-13 15:46:23,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:46:23,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2020-10-13 15:46:23,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 1922. [2020-10-13 15:46:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1922 states. [2020-10-13 15:46:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2924 transitions. [2020-10-13 15:46:23,409 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2924 transitions. Word has length 147 [2020-10-13 15:46:23,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:23,410 INFO L479 AbstractCegarLoop]: Abstraction has 1922 states and 2924 transitions. [2020-10-13 15:46:23,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:46:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2924 transitions. [2020-10-13 15:46:23,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:46:23,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:23,414 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] [2020-10-13 15:46:23,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:46:23,415 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:23,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1311210865, now seen corresponding path program 1 times [2020-10-13 15:46:23,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:23,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592706378] [2020-10-13 15:46:23,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:23,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:23,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:23,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:23,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:23,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:23,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:24,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:25,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:26,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:26,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:27,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:46:28,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-13 15:46:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:46:28,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:46:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:46:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 15:46:28,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:28,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 15:46:28,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:28,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:46:28,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:28,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:28,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:46:28,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:28,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:28,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:28,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:46:28,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:28,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:46:28,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:28,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:46:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:28,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:46:28,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:46:28,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:46:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:46:28,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:46:28,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:46:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:28,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:28,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:28,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:28,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:28,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:28,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:46:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:28,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:28,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:46:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:28,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:28,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:46:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:28,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:28,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:46:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:28,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:28,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:28,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:46:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:28,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:28,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:46:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:46:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:28,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:28,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:28,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:28,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:28,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:28,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:28,905 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 15:46:28,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592706378] [2020-10-13 15:46:28,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:46:28,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:46:28,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108604139] [2020-10-13 15:46:28,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:46:28,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:28,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:46:28,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:46:28,908 INFO L87 Difference]: Start difference. First operand 1922 states and 2924 transitions. Second operand 10 states. [2020-10-13 15:46:31,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:31,768 INFO L93 Difference]: Finished difference Result 4447 states and 6992 transitions. [2020-10-13 15:46:31,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:46:31,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:46:31,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:31,785 INFO L225 Difference]: With dead ends: 4447 [2020-10-13 15:46:31,785 INFO L226 Difference]: Without dead ends: 2549 [2020-10-13 15:46:31,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:46:31,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2020-10-13 15:46:32,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 1922. [2020-10-13 15:46:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1922 states. [2020-10-13 15:46:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2904 transitions. [2020-10-13 15:46:32,020 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2904 transitions. Word has length 147 [2020-10-13 15:46:32,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:32,020 INFO L479 AbstractCegarLoop]: Abstraction has 1922 states and 2904 transitions. [2020-10-13 15:46:32,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:46:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2904 transitions. [2020-10-13 15:46:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:46:32,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:32,023 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] [2020-10-13 15:46:32,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:46:32,023 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:32,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:32,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1102702581, now seen corresponding path program 1 times [2020-10-13 15:46:32,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:32,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342367372] [2020-10-13 15:46:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:32,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:32,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:33,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:33,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:33,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:34,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:36,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:36,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:46:37,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 15:46:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:46:37,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:46:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:46:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 15:46:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:37,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:37,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:46:37,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:37,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:37,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:37,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:46:37,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:37,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:37,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:37,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:46:37,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:37,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:46:37,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:46:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:37,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:46:37,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:46:37,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:46:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:46:37,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:46:37,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:46:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:37,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:37,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:37,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:37,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:37,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:37,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:46:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:37,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:37,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:46:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:37,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:37,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:46:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:37,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:37,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:46:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:37,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:37,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:37,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:46:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:37,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:46:37,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:46:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:46:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:37,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:37,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:37,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:37,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:37,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:37,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:37,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:37,400 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 15:46:37,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342367372] [2020-10-13 15:46:37,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:46:37,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:46:37,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844520392] [2020-10-13 15:46:37,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:46:37,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:37,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:46:37,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:46:37,402 INFO L87 Difference]: Start difference. First operand 1922 states and 2904 transitions. Second operand 9 states. [2020-10-13 15:46:40,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:40,520 INFO L93 Difference]: Finished difference Result 4447 states and 6939 transitions. [2020-10-13 15:46:40,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:46:40,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-13 15:46:40,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:40,535 INFO L225 Difference]: With dead ends: 4447 [2020-10-13 15:46:40,536 INFO L226 Difference]: Without dead ends: 2549 [2020-10-13 15:46:40,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:46:40,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2020-10-13 15:46:40,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 1922. [2020-10-13 15:46:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1922 states. [2020-10-13 15:46:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2884 transitions. [2020-10-13 15:46:40,827 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2884 transitions. Word has length 147 [2020-10-13 15:46:40,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:40,827 INFO L479 AbstractCegarLoop]: Abstraction has 1922 states and 2884 transitions. [2020-10-13 15:46:40,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:46:40,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2884 transitions. [2020-10-13 15:46:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:46:40,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:40,834 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] [2020-10-13 15:46:40,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:46:40,834 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:40,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1397875471, now seen corresponding path program 1 times [2020-10-13 15:46:40,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:40,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552346219] [2020-10-13 15:46:40,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:40,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:41,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:42,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:42,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:45,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:45,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:45,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:45,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:46:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-13 15:46:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:46:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:46:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:46:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 15:46:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:45,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:45,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:45,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:45,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:45,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:45,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:46:45,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:46:45,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:46,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:46:46,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:46:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:46,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:46,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:46,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:46:46,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:46,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:46:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:46:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:46,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:46:46,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:46,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:46,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:46:46,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:46:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:46:46,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:46:46,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:46:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:46,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:46,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:46,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:46,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:46,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:46,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:46:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:46,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:46,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:46:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:46,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:46,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:46:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:46,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:46,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:46:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:46,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:46,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:46:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:46,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:46,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:46:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:46:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:46,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:46,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:46,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:46,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:46,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:46,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:46,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:46,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:46,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:46,181 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 15:46:46,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552346219] [2020-10-13 15:46:46,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:46:46,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:46:46,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475645100] [2020-10-13 15:46:46,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:46:46,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:46,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:46:46,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:46:46,182 INFO L87 Difference]: Start difference. First operand 1922 states and 2884 transitions. Second operand 10 states. [2020-10-13 15:46:49,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:49,381 INFO L93 Difference]: Finished difference Result 4447 states and 6886 transitions. [2020-10-13 15:46:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:46:49,382 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:46:49,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:49,395 INFO L225 Difference]: With dead ends: 4447 [2020-10-13 15:46:49,395 INFO L226 Difference]: Without dead ends: 2549 [2020-10-13 15:46:49,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:46:49,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2020-10-13 15:46:49,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 1922. [2020-10-13 15:46:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1922 states. [2020-10-13 15:46:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2864 transitions. [2020-10-13 15:46:49,621 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2864 transitions. Word has length 147 [2020-10-13 15:46:49,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:49,621 INFO L479 AbstractCegarLoop]: Abstraction has 1922 states and 2864 transitions. [2020-10-13 15:46:49,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:46:49,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2864 transitions. [2020-10-13 15:46:49,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:46:49,624 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:49,624 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] [2020-10-13 15:46:49,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:46:49,624 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:49,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:49,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1065232333, now seen corresponding path program 1 times [2020-10-13 15:46:49,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:49,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888265044] [2020-10-13 15:46:49,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:49,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:50,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:50,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:50,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:52,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:52,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:53,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:46:54,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 15:46:54,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:46:54,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:46:54,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:46:54,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 15:46:54,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,773 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 15:46:54,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:46:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:54,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:46:54,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:46:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:46:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:46:54,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:54,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:46:54,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:46:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:46:54,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:54,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:46:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:46:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:46:54,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:46:54,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:46:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:46:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:46:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:54,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:46:54,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:46:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:46:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:46:54,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:46:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:46:54,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:46:54,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:46:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:54,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:46:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:54,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:54,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:54,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:46:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:54,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:54,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:54,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:46:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:54,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:54,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:54,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:46:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:54,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:54,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:54,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:46:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:54,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:54,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:54,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:46:54,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:46:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:54,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:54,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:54,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:54,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:46:54,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:54,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:46:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:54,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:55,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:46:55,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 15:46:55,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:46:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:46:55,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:46:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:55,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:55,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:46:55,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:55,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:46:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:46:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:55,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:55,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:46:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:55,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:55,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:46:55,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:46:55,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:46:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:46:55,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:46:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:46:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:46:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:46:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:46:55,099 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 15:46:55,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888265044] [2020-10-13 15:46:55,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:46:55,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:46:55,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266286652] [2020-10-13 15:46:55,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:46:55,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:46:55,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:46:55,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:46:55,101 INFO L87 Difference]: Start difference. First operand 1922 states and 2864 transitions. Second operand 9 states. [2020-10-13 15:46:58,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:46:58,153 INFO L93 Difference]: Finished difference Result 4447 states and 6833 transitions. [2020-10-13 15:46:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:46:58,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-13 15:46:58,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:46:58,168 INFO L225 Difference]: With dead ends: 4447 [2020-10-13 15:46:58,168 INFO L226 Difference]: Without dead ends: 2549 [2020-10-13 15:46:58,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:46:58,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2020-10-13 15:46:58,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 1922. [2020-10-13 15:46:58,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1922 states. [2020-10-13 15:46:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1922 states and 2844 transitions. [2020-10-13 15:46:58,441 INFO L78 Accepts]: Start accepts. Automaton has 1922 states and 2844 transitions. Word has length 147 [2020-10-13 15:46:58,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:46:58,441 INFO L479 AbstractCegarLoop]: Abstraction has 1922 states and 2844 transitions. [2020-10-13 15:46:58,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:46:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2844 transitions. [2020-10-13 15:46:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:46:58,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:46:58,443 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] [2020-10-13 15:46:58,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:46:58,444 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:46:58,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:46:58,444 INFO L82 PathProgramCache]: Analyzing trace with hash -599202863, now seen corresponding path program 1 times [2020-10-13 15:46:58,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:46:58,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744284875] [2020-10-13 15:46:58,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:46:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:46:58,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:58,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:59,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:46:59,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:01,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:01,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:01,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:47:03,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-13 15:47:03,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:47:03,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:47:03,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:47:03,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:47:03,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:03,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:47:03,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:03,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:47:03,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:03,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:03,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:47:03,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:03,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:03,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:47:03,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:47:03,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:03,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:47:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:47:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:03,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:47:03,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:47:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:47:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:47:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:47:03,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:47:03,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:47:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:03,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:03,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:03,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:03,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:03,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:03,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:03,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:03,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:03,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:03,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:03,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:03,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:03,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:03,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:47:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:03,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:03,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:47:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:47:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:03,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:03,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:03,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:03,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:03,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:03,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:03,749 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 15:47:03,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744284875] [2020-10-13 15:47:03,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:03,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:03,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62092851] [2020-10-13 15:47:03,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:03,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:03,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:03,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:03,750 INFO L87 Difference]: Start difference. First operand 1922 states and 2844 transitions. Second operand 10 states. [2020-10-13 15:47:07,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:07,503 INFO L93 Difference]: Finished difference Result 5500 states and 9063 transitions. [2020-10-13 15:47:07,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:47:07,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:47:07,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:07,524 INFO L225 Difference]: With dead ends: 5500 [2020-10-13 15:47:07,524 INFO L226 Difference]: Without dead ends: 3602 [2020-10-13 15:47:07,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:47:07,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2020-10-13 15:47:07,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 2438. [2020-10-13 15:47:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2438 states. [2020-10-13 15:47:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 3452 transitions. [2020-10-13 15:47:07,827 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 3452 transitions. Word has length 147 [2020-10-13 15:47:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:07,828 INFO L479 AbstractCegarLoop]: Abstraction has 2438 states and 3452 transitions. [2020-10-13 15:47:07,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 3452 transitions. [2020-10-13 15:47:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:47:07,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:07,830 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] [2020-10-13 15:47:07,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:47:07,830 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:07,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:07,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1425315661, now seen corresponding path program 1 times [2020-10-13 15:47:07,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:07,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043311542] [2020-10-13 15:47:07,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:07,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:07,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:07,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:07,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:08,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:08,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:08,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:08,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:08,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:08,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:08,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:10,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:10,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:11,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:47:12,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:12,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:12,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:12,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:12,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:47:12,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:47:12,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:12,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:12,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:12,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:12,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:12,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:12,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:12,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:12,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:12,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:12,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:47:12,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:12,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:12,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:13,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:13,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:13,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:13,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:47:13,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:47:13,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:13,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:47:13,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:47:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:13,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:47:13,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:47:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:47:13,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:47:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:47:13,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:47:13,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:47:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:13,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:13,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:13,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:13,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:13,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:13,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:13,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:13,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:13,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:13,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:13,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:13,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:13,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:13,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:13,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:13,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:13,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:47:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:13,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:13,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:47:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:47:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:13,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:13,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:13,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:13,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:13,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:13,160 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 15:47:13,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043311542] [2020-10-13 15:47:13,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:13,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:13,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826003564] [2020-10-13 15:47:13,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:13,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:13,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:13,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:13,162 INFO L87 Difference]: Start difference. First operand 2438 states and 3452 transitions. Second operand 10 states. [2020-10-13 15:47:17,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:17,607 INFO L93 Difference]: Finished difference Result 6670 states and 10494 transitions. [2020-10-13 15:47:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:47:17,607 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:47:17,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:17,630 INFO L225 Difference]: With dead ends: 6670 [2020-10-13 15:47:17,630 INFO L226 Difference]: Without dead ends: 4256 [2020-10-13 15:47:17,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2020-10-13 15:47:17,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4256 states. [2020-10-13 15:47:18,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4256 to 2954. [2020-10-13 15:47:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2954 states. [2020-10-13 15:47:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2954 states and 4048 transitions. [2020-10-13 15:47:18,078 INFO L78 Accepts]: Start accepts. Automaton has 2954 states and 4048 transitions. Word has length 147 [2020-10-13 15:47:18,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:18,078 INFO L479 AbstractCegarLoop]: Abstraction has 2954 states and 4048 transitions. [2020-10-13 15:47:18,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2954 states and 4048 transitions. [2020-10-13 15:47:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:47:18,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:18,079 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] [2020-10-13 15:47:18,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:47:18,080 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:18,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:18,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1382833040, now seen corresponding path program 1 times [2020-10-13 15:47:18,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:18,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080417557] [2020-10-13 15:47:18,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:18,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:18,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:20,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:20,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:21,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:47:23,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 15:47:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:47:23,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-13 15:47:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:23,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:47:23,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:23,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:23,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:23,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:23,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:47:23,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:23,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:47:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:23,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:23,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:47:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:47:23,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:47:23,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 15:47:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:23,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:23,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:23,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:23,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:23,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:47:23,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:23,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:23,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:23,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:23,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:23,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:23,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:23,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:23,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:23,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:23,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:23,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:23,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:47:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:23,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:23,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:47:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:47:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:23,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:23,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:23,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:23,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:23,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:23,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:23,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:23,416 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 15:47:23,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080417557] [2020-10-13 15:47:23,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:23,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:23,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669449871] [2020-10-13 15:47:23,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:23,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:23,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:23,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:23,418 INFO L87 Difference]: Start difference. First operand 2954 states and 4048 transitions. Second operand 10 states. [2020-10-13 15:47:27,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:27,741 INFO L93 Difference]: Finished difference Result 6905 states and 10062 transitions. [2020-10-13 15:47:27,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:47:27,742 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:47:27,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:27,755 INFO L225 Difference]: With dead ends: 6905 [2020-10-13 15:47:27,755 INFO L226 Difference]: Without dead ends: 3977 [2020-10-13 15:47:27,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:47:27,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3977 states. [2020-10-13 15:47:28,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3977 to 2984. [2020-10-13 15:47:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2984 states. [2020-10-13 15:47:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 4066 transitions. [2020-10-13 15:47:28,063 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 4066 transitions. Word has length 147 [2020-10-13 15:47:28,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:28,063 INFO L479 AbstractCegarLoop]: Abstraction has 2984 states and 4066 transitions. [2020-10-13 15:47:28,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:28,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 4066 transitions. [2020-10-13 15:47:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:47:28,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:28,066 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] [2020-10-13 15:47:28,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:47:28,066 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:28,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:28,067 INFO L82 PathProgramCache]: Analyzing trace with hash 953559470, now seen corresponding path program 1 times [2020-10-13 15:47:28,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:28,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014632013] [2020-10-13 15:47:28,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:28,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:28,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:28,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:28,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:28,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:28,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:28,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:28,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:28,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:29,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:30,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:31,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:47:33,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 15:47:33,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:47:33,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:47:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:47:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 15:47:33,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:33,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:47:33,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:33,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:47:33,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:33,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:33,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:33,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:47:33,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:33,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:33,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:47:33,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:47:33,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:33,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:47:33,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:47:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:33,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:47:33,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:33,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:47:33,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:47:33,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:47:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:47:33,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:47:33,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:47:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:33,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:33,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:33,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:33,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:33,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:33,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:33,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:33,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:33,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:33,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:33,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:33,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:33,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:33,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:33,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:47:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:33,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:33,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:47:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:47:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:33,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:33,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:33,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:33,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:33,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:33,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:33,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:33,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:33,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:33,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:33,395 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 15:47:33,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014632013] [2020-10-13 15:47:33,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:33,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:33,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948601012] [2020-10-13 15:47:33,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:33,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:33,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:33,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:33,397 INFO L87 Difference]: Start difference. First operand 2984 states and 4066 transitions. Second operand 10 states. [2020-10-13 15:47:37,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:37,718 INFO L93 Difference]: Finished difference Result 7864 states and 11865 transitions. [2020-10-13 15:47:37,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:47:37,718 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:47:37,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:37,738 INFO L225 Difference]: With dead ends: 7864 [2020-10-13 15:47:37,738 INFO L226 Difference]: Without dead ends: 4904 [2020-10-13 15:47:37,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:47:37,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4904 states. [2020-10-13 15:47:38,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4904 to 3500. [2020-10-13 15:47:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3500 states. [2020-10-13 15:47:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3500 states and 4644 transitions. [2020-10-13 15:47:38,161 INFO L78 Accepts]: Start accepts. Automaton has 3500 states and 4644 transitions. Word has length 147 [2020-10-13 15:47:38,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:38,161 INFO L479 AbstractCegarLoop]: Abstraction has 3500 states and 4644 transitions. [2020-10-13 15:47:38,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:38,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3500 states and 4644 transitions. [2020-10-13 15:47:38,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:47:38,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:38,163 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] [2020-10-13 15:47:38,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:47:38,163 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:38,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:38,163 INFO L82 PathProgramCache]: Analyzing trace with hash -484704981, now seen corresponding path program 1 times [2020-10-13 15:47:38,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:38,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473985994] [2020-10-13 15:47:38,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:38,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:40,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:40,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:41,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:47:43,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 15:47:43,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:47:43,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 15:47:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:43,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:43,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:43,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:43,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:43,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:43,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:43,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:47:43,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:43,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:47:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:43,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:43,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:43,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:47:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:47:43,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:47:43,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:47:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:47:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:47:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:43,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:43,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:43,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:43,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:43,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:43,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:43,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:43,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:43,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:47:43,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:43,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:43,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:43,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:43,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:43,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:43,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:43,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:43,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:43,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:47:43,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:47:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:43,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:43,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:47:43,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:47:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:43,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:43,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:43,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:43,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:43,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:43,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:43,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:43,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:43,491 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 15:47:43,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473985994] [2020-10-13 15:47:43,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:43,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:43,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397598300] [2020-10-13 15:47:43,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:43,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:43,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:43,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:43,493 INFO L87 Difference]: Start difference. First operand 3500 states and 4644 transitions. Second operand 10 states. [2020-10-13 15:47:47,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:47,713 INFO L93 Difference]: Finished difference Result 8081 states and 11367 transitions. [2020-10-13 15:47:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:47:47,713 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:47:47,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:47,729 INFO L225 Difference]: With dead ends: 8081 [2020-10-13 15:47:47,729 INFO L226 Difference]: Without dead ends: 4607 [2020-10-13 15:47:47,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:47:47,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4607 states. [2020-10-13 15:47:48,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4607 to 3530. [2020-10-13 15:47:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3530 states. [2020-10-13 15:47:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3530 states and 4656 transitions. [2020-10-13 15:47:48,179 INFO L78 Accepts]: Start accepts. Automaton has 3530 states and 4656 transitions. Word has length 147 [2020-10-13 15:47:48,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:48,180 INFO L479 AbstractCegarLoop]: Abstraction has 3530 states and 4656 transitions. [2020-10-13 15:47:48,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:48,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3530 states and 4656 transitions. [2020-10-13 15:47:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:47:48,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:48,182 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] [2020-10-13 15:47:48,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:47:48,182 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:48,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:48,182 INFO L82 PathProgramCache]: Analyzing trace with hash -457639379, now seen corresponding path program 1 times [2020-10-13 15:47:48,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:48,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305520723] [2020-10-13 15:47:48,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:48,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:48,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:48,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:48,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:48,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:48,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:48,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:49,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:47:53,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 15:47:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4809 [2020-10-13 15:47:53,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:47:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:47:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 15:47:53,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:47:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:53,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:47:53,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:47:53,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:47:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:47:53,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:47:53,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:47:53,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:47:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:47:53,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:53,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:53,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:47:53,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:47:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:47:53,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:53,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:47:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:47:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:47:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:53,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:47:53,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:47:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:47:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:47:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:47:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:47:53,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:47:53,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:47:53,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:47:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:53,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:53,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:47:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:53,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:53,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:47:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:53,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:53,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:47:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:53,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:53,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:47:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:53,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:53,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:47:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:53,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:47:53,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:47:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:47:53,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:53,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:47:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:47:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:47:53,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:47:53,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:47:53,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:47:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:53,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:47:53,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:47:53,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:47:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:47:53,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:47:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:47:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:47:53,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:47:53,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:47:53,312 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 15:47:53,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305520723] [2020-10-13 15:47:53,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:47:53,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:47:53,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077136632] [2020-10-13 15:47:53,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:47:53,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:47:53,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:47:53,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:47:53,314 INFO L87 Difference]: Start difference. First operand 3530 states and 4656 transitions. Second operand 10 states. [2020-10-13 15:47:57,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:47:57,571 INFO L93 Difference]: Finished difference Result 8872 states and 12918 transitions. [2020-10-13 15:47:57,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:47:57,571 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:47:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:47:57,595 INFO L225 Difference]: With dead ends: 8872 [2020-10-13 15:47:57,595 INFO L226 Difference]: Without dead ends: 5366 [2020-10-13 15:47:57,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:47:57,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5366 states. [2020-10-13 15:47:58,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5366 to 3926. [2020-10-13 15:47:58,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3926 states. [2020-10-13 15:47:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 5072 transitions. [2020-10-13 15:47:58,279 INFO L78 Accepts]: Start accepts. Automaton has 3926 states and 5072 transitions. Word has length 147 [2020-10-13 15:47:58,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:47:58,280 INFO L479 AbstractCegarLoop]: Abstraction has 3926 states and 5072 transitions. [2020-10-13 15:47:58,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:47:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 5072 transitions. [2020-10-13 15:47:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:47:58,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:47:58,283 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] [2020-10-13 15:47:58,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 15:47:58,284 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:47:58,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:47:58,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1768016809, now seen corresponding path program 1 times [2020-10-13 15:47:58,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:47:58,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446042489] [2020-10-13 15:47:58,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:47:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:47:58,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:58,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:58,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:58,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:58,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:58,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:58,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:59,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:47:59,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:00,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:48:03,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 15:48:03,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 15:48:03,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:48:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:48:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 15:48:03,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:03,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:03,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:48:03,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:03,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:03,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:03,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:48:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:03,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:03,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:48:03,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:48:03,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:03,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:03,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:48:03,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:48:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:03,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:03,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:48:03,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:48:03,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:48:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:48:03,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:03,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:48:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:03,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:03,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:03,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:03,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:03,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:03,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:03,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:03,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:03,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:03,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:03,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:03,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:03,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:48:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:03,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:03,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:48:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:48:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:03,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:03,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:03,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:03,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:03,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:03,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:03,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:03,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:03,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:03,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:03,621 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 15:48:03,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446042489] [2020-10-13 15:48:03,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:03,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:03,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798768662] [2020-10-13 15:48:03,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:03,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:03,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:03,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:03,623 INFO L87 Difference]: Start difference. First operand 3926 states and 5072 transitions. Second operand 10 states. [2020-10-13 15:48:08,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:08,068 INFO L93 Difference]: Finished difference Result 9634 states and 13689 transitions. [2020-10-13 15:48:08,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 15:48:08,068 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:48:08,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:08,085 INFO L225 Difference]: With dead ends: 9634 [2020-10-13 15:48:08,085 INFO L226 Difference]: Without dead ends: 5732 [2020-10-13 15:48:08,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:48:08,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2020-10-13 15:48:08,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 4262. [2020-10-13 15:48:08,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4262 states. [2020-10-13 15:48:08,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4262 states to 4262 states and 5404 transitions. [2020-10-13 15:48:08,558 INFO L78 Accepts]: Start accepts. Automaton has 4262 states and 5404 transitions. Word has length 147 [2020-10-13 15:48:08,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:08,559 INFO L479 AbstractCegarLoop]: Abstraction has 4262 states and 5404 transitions. [2020-10-13 15:48:08,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 4262 states and 5404 transitions. [2020-10-13 15:48:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:48:08,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:08,561 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] [2020-10-13 15:48:08,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 15:48:08,561 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:08,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:08,561 INFO L82 PathProgramCache]: Analyzing trace with hash 869980845, now seen corresponding path program 1 times [2020-10-13 15:48:08,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:08,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364971426] [2020-10-13 15:48:08,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:08,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:08,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:08,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:08,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:08,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:09,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:09,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:09,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:10,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:11,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:11,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:48:11,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 15:48:11,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3413 [2020-10-13 15:48:11,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:48:11,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:48:11,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 15:48:11,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:12,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:48:12,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:12,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:48:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:12,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:12,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:48:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:12,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:12,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:12,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:48:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:48:12,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:12,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:12,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:48:12,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:48:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:12,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:12,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:48:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 15:48:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:48:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:48:12,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:12,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 15:48:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:12,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:12,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:12,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:12,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:12,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:12,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:12,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:12,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:12,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:12,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:12,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:12,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:12,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:12,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:48:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:12,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:12,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:48:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:48:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:12,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:12,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:12,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:12,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:12,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:12,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:12,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:12,263 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 15:48:12,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364971426] [2020-10-13 15:48:12,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:12,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:48:12,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850607324] [2020-10-13 15:48:12,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:48:12,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:12,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:48:12,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:48:12,266 INFO L87 Difference]: Start difference. First operand 4262 states and 5404 transitions. Second operand 9 states. [2020-10-13 15:48:12,410 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-13 15:48:15,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:15,854 INFO L93 Difference]: Finished difference Result 7876 states and 10210 transitions. [2020-10-13 15:48:15,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:48:15,854 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-13 15:48:15,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:15,864 INFO L225 Difference]: With dead ends: 7876 [2020-10-13 15:48:15,864 INFO L226 Difference]: Without dead ends: 3849 [2020-10-13 15:48:15,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:48:15,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2020-10-13 15:48:16,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 2963. [2020-10-13 15:48:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2963 states. [2020-10-13 15:48:16,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 3707 transitions. [2020-10-13 15:48:16,184 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 3707 transitions. Word has length 147 [2020-10-13 15:48:16,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:16,184 INFO L479 AbstractCegarLoop]: Abstraction has 2963 states and 3707 transitions. [2020-10-13 15:48:16,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:48:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 3707 transitions. [2020-10-13 15:48:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:48:16,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:16,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:16,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 15:48:16,185 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:16,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:16,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1164327082, now seen corresponding path program 1 times [2020-10-13 15:48:16,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:16,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831115278] [2020-10-13 15:48:16,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:16,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:16,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:17,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:17,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:18,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:48:21,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 15:48:21,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 15:48:21,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-13 15:48:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:21,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:21,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:21,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:21,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:21,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:21,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:21,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:48:21,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:21,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:48:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:21,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:21,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:48:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:48:21,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:48:21,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 15:48:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:21,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:21,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:21,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:21,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:21,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:21,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:21,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:21,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:21,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:21,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:21,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:21,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:21,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:21,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:21,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:21,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:48:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:21,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:21,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:48:21,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:48:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:21,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:21,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:21,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:21,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:21,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:21,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:21,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:21,509 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 15:48:21,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831115278] [2020-10-13 15:48:21,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:21,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:21,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362319123] [2020-10-13 15:48:21,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:21,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:21,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:21,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:21,511 INFO L87 Difference]: Start difference. First operand 2963 states and 3707 transitions. Second operand 10 states. [2020-10-13 15:48:25,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:25,233 INFO L93 Difference]: Finished difference Result 6697 states and 8809 transitions. [2020-10-13 15:48:25,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:48:25,233 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:48:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:25,244 INFO L225 Difference]: With dead ends: 6697 [2020-10-13 15:48:25,244 INFO L226 Difference]: Without dead ends: 3759 [2020-10-13 15:48:25,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:48:25,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2020-10-13 15:48:25,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 2973. [2020-10-13 15:48:25,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2973 states. [2020-10-13 15:48:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 3693 transitions. [2020-10-13 15:48:25,535 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 3693 transitions. Word has length 147 [2020-10-13 15:48:25,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:25,535 INFO L479 AbstractCegarLoop]: Abstraction has 2973 states and 3693 transitions. [2020-10-13 15:48:25,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 3693 transitions. [2020-10-13 15:48:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:48:25,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:25,536 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] [2020-10-13 15:48:25,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 15:48:25,537 INFO L427 AbstractCegarLoop]: === Iteration 20 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:25,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:25,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1587973804, now seen corresponding path program 1 times [2020-10-13 15:48:25,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:25,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577552725] [2020-10-13 15:48:25,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:25,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:25,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:26,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:48:28,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:48:28,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2909 [2020-10-13 15:48:28,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 15:48:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:48:28,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 15:48:28,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:28,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:48:28,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:48:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:28,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:28,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:48:28,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:28,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:28,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:48:28,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:48:28,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:28,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:48:28,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:48:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:28,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:28,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 15:48:28,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:48:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:48:28,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:28,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 15:48:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 15:48:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:28,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:28,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:28,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:28,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:28,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:28,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:28,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:28,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:28,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:28,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:28,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:28,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:48:28,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:28,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:28,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:48:28,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:28,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:28,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:48:28,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:28,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:28,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:48:28,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:48:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:28,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:28,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:28,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:48:28,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:28,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:48:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:28,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:28,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:28,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:28,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:28,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:28,747 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 15:48:28,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577552725] [2020-10-13 15:48:28,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:28,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:48:28,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986550437] [2020-10-13 15:48:28,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:48:28,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:28,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:48:28,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:48:28,749 INFO L87 Difference]: Start difference. First operand 2973 states and 3693 transitions. Second operand 8 states. [2020-10-13 15:48:34,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:34,050 INFO L93 Difference]: Finished difference Result 9978 states and 13042 transitions. [2020-10-13 15:48:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:48:34,050 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2020-10-13 15:48:34,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:34,069 INFO L225 Difference]: With dead ends: 9978 [2020-10-13 15:48:34,069 INFO L226 Difference]: Without dead ends: 7030 [2020-10-13 15:48:34,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-13 15:48:34,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2020-10-13 15:48:34,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 5625. [2020-10-13 15:48:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5625 states. [2020-10-13 15:48:34,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5625 states to 5625 states and 7027 transitions. [2020-10-13 15:48:34,655 INFO L78 Accepts]: Start accepts. Automaton has 5625 states and 7027 transitions. Word has length 147 [2020-10-13 15:48:34,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:34,656 INFO L479 AbstractCegarLoop]: Abstraction has 5625 states and 7027 transitions. [2020-10-13 15:48:34,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:48:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5625 states and 7027 transitions. [2020-10-13 15:48:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:48:34,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:34,657 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] [2020-10-13 15:48:34,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 15:48:34,658 INFO L427 AbstractCegarLoop]: === Iteration 21 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:34,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:34,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1039873909, now seen corresponding path program 1 times [2020-10-13 15:48:34,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:34,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337174624] [2020-10-13 15:48:34,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:34,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:34,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:34,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:35,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:48:39,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:48:39,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 15:48:39,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:39,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 15:48:39,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:39,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:39,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:39,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:39,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:39,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:39,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:39,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:48:39,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:39,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:48:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:39,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:39,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:48:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:48:39,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 15:48:39,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:39,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 15:48:39,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:39,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:39,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:39,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:39,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:39,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:39,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:39,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:39,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:39,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:39,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:39,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:39,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:39,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:39,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:39,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:39,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:39,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:39,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:48:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:39,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:39,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 15:48:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:48:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:39,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:39,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:39,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:39,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:39,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:39,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:39,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:39,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:39,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:40,006 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 15:48:40,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337174624] [2020-10-13 15:48:40,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:40,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:40,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525958220] [2020-10-13 15:48:40,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:40,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:40,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:40,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:40,008 INFO L87 Difference]: Start difference. First operand 5625 states and 7027 transitions. Second operand 10 states. [2020-10-13 15:48:44,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:44,358 INFO L93 Difference]: Finished difference Result 12843 states and 16780 transitions. [2020-10-13 15:48:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:48:44,359 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-13 15:48:44,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:44,384 INFO L225 Difference]: With dead ends: 12843 [2020-10-13 15:48:44,384 INFO L226 Difference]: Without dead ends: 7243 [2020-10-13 15:48:44,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:48:44,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7243 states. [2020-10-13 15:48:44,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7243 to 5755. [2020-10-13 15:48:44,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5755 states. [2020-10-13 15:48:44,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5755 states to 5755 states and 7135 transitions. [2020-10-13 15:48:44,990 INFO L78 Accepts]: Start accepts. Automaton has 5755 states and 7135 transitions. Word has length 147 [2020-10-13 15:48:44,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:44,991 INFO L479 AbstractCegarLoop]: Abstraction has 5755 states and 7135 transitions. [2020-10-13 15:48:44,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:44,991 INFO L276 IsEmpty]: Start isEmpty. Operand 5755 states and 7135 transitions. [2020-10-13 15:48:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 15:48:44,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:44,992 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] [2020-10-13 15:48:44,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 15:48:44,992 INFO L427 AbstractCegarLoop]: === Iteration 22 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:44,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:44,992 INFO L82 PathProgramCache]: Analyzing trace with hash -85933751, now seen corresponding path program 1 times [2020-10-13 15:48:44,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:44,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595317860] [2020-10-13 15:48:44,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:45,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 15:48:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:48:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1202 [2020-10-13 15:48:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 15:48:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-13 15:48:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-13 15:48:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:46,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:46,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:46,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:46,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:46,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:46,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:46,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:46,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:46,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:46,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:48:46,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:46,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:48:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:46,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:46,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:46,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:48:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:48:46,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:46,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:46,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:46,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:46,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 15:48:46,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:46,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:46,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:48:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:46,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:46,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:48:46,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:46,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:46,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:48:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:46,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:46,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:48:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:46,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:46,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:48:46,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:46,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:46,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:48:46,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:48:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:46,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:46,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 15:48:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:48:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:46,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:46,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:46,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:46,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:46,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:46,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:46,480 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 15:48:46,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595317860] [2020-10-13 15:48:46,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:46,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 15:48:46,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277276374] [2020-10-13 15:48:46,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 15:48:46,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:46,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 15:48:46,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 15:48:46,482 INFO L87 Difference]: Start difference. First operand 5755 states and 7135 transitions. Second operand 7 states. [2020-10-13 15:48:51,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:51,597 INFO L93 Difference]: Finished difference Result 19521 states and 25874 transitions. [2020-10-13 15:48:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:48:51,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 147 [2020-10-13 15:48:51,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:51,643 INFO L225 Difference]: With dead ends: 19521 [2020-10-13 15:48:51,643 INFO L226 Difference]: Without dead ends: 13791 [2020-10-13 15:48:51,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:48:51,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13791 states. [2020-10-13 15:48:53,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13791 to 11697. [2020-10-13 15:48:53,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11697 states. [2020-10-13 15:48:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11697 states to 11697 states and 15171 transitions. [2020-10-13 15:48:53,027 INFO L78 Accepts]: Start accepts. Automaton has 11697 states and 15171 transitions. Word has length 147 [2020-10-13 15:48:53,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:53,028 INFO L479 AbstractCegarLoop]: Abstraction has 11697 states and 15171 transitions. [2020-10-13 15:48:53,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 15:48:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 11697 states and 15171 transitions. [2020-10-13 15:48:53,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-13 15:48:53,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:53,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:53,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 15:48:53,035 INFO L427 AbstractCegarLoop]: === Iteration 23 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:53,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:53,036 INFO L82 PathProgramCache]: Analyzing trace with hash 526480049, now seen corresponding path program 1 times [2020-10-13 15:48:53,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:53,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037133135] [2020-10-13 15:48:53,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:53,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:53,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:54,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-13 15:48:58,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 15:48:58,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 15:48:58,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-10-13 15:48:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:48:58,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:58,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:58,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:58,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:58,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:58,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 15:48:58,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:58,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 15:48:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:58,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:58,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 15:48:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:48:58,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:58,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:48:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 15:48:58,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:58,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 15:48:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:58,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:58,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 15:48:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 15:48:58,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:48:58,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 15:48:58,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 15:48:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 15:48:58,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:58,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 15:48:58,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:58,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:58,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-13 15:48:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:58,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:58,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:48:58,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 15:48:58,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:48:58,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-13 15:48:58,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037133135] [2020-10-13 15:48:58,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:58,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:48:58,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884267512] [2020-10-13 15:48:58,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:48:58,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:58,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:48:58,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:48:58,443 INFO L87 Difference]: Start difference. First operand 11697 states and 15171 transitions. Second operand 9 states.