/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:20:25,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:20:25,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:20:25,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:20:25,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:20:25,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:20:25,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:20:25,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:20:25,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:20:25,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:20:25,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:20:25,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:20:25,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:20:25,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:20:25,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:20:25,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:20:25,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:20:25,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:20:25,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:20:25,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:20:25,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:20:25,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:20:25,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:20:25,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:20:25,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:20:25,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:20:25,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:20:25,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:20:25,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:20:25,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:20:25,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:20:25,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:20:25,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:20:25,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:20:25,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:20:25,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:20:25,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:20:25,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:20:25,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:20:25,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:20:25,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:20:25,713 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 [2020-10-14 10:20:25,737 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:20:25,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:20:25,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:20:25,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:20:25,739 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:20:25,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:20:25,740 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:20:25,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:20:25,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:20:25,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:20:25,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:20:25,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:20:25,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:20:25,741 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:20:25,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:20:25,741 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:20:25,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:20:25,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:20:25,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:20:25,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:20:25,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:20:25,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:20:25,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:20:25,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:20:25,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:20:25,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:20:25,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:20:25,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:20:25,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:20:25,745 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:20:26,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:20:26,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:20:26,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:20:26,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:20:26,129 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:20:26,130 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.07.cil.c [2020-10-14 10:20:26,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c47f2f0e/ffea3d73cb1c4bdfba8d90b2a5551610/FLAGc8e457505 [2020-10-14 10:20:26,730 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:20:26,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.07.cil.c [2020-10-14 10:20:26,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c47f2f0e/ffea3d73cb1c4bdfba8d90b2a5551610/FLAGc8e457505 [2020-10-14 10:20:27,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c47f2f0e/ffea3d73cb1c4bdfba8d90b2a5551610 [2020-10-14 10:20:27,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:20:27,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:20:27,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:20:27,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:20:27,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:20:27,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:20:27" (1/1) ... [2020-10-14 10:20:27,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27, skipping insertion in model container [2020-10-14 10:20:27,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:20:27" (1/1) ... [2020-10-14 10:20:27,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:20:27,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:20:27,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:20:27,524 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:20:27,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:20:27,630 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:20:27,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27 WrapperNode [2020-10-14 10:20:27,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:20:27,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:20:27,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:20:27,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:20:27,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27" (1/1) ... [2020-10-14 10:20:27,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27" (1/1) ... [2020-10-14 10:20:27,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27" (1/1) ... [2020-10-14 10:20:27,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27" (1/1) ... [2020-10-14 10:20:27,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27" (1/1) ... [2020-10-14 10:20:27,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27" (1/1) ... [2020-10-14 10:20:27,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27" (1/1) ... [2020-10-14 10:20:27,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:20:27,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:20:27,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:20:27,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:20:27,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27" (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 [2020-10-14 10:20:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:20:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:20:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-14 10:20:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-14 10:20:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-14 10:20:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-14 10:20:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-14 10:20:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-14 10:20:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-14 10:20:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-14 10:20:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-14 10:20:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-14 10:20:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-14 10:20:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-14 10:20:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-14 10:20:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-14 10:20:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-14 10:20:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-14 10:20:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-14 10:20:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-14 10:20:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-14 10:20:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-14 10:20:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-14 10:20:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-14 10:20:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-14 10:20:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-14 10:20:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-14 10:20:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-14 10:20:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-14 10:20:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-14 10:20:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-14 10:20:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-14 10:20:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:20:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:20:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:20:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-14 10:20:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-14 10:20:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-14 10:20:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-14 10:20:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-14 10:20:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-14 10:20:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-14 10:20:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-14 10:20:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-14 10:20:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-14 10:20:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-14 10:20:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-14 10:20:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-14 10:20:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-14 10:20:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-14 10:20:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-14 10:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-14 10:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-14 10:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-14 10:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-14 10:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-14 10:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-14 10:20:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-14 10:20:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-14 10:20:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-14 10:20:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-14 10:20:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-14 10:20:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-14 10:20:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-14 10:20:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-14 10:20:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:20:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:20:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:20:28,677 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:20:28,678 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-14 10:20:28,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:20:28 BoogieIcfgContainer [2020-10-14 10:20:28,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:20:28,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:20:28,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:20:28,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:20:28,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:20:27" (1/3) ... [2020-10-14 10:20:28,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39403640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:20:28, skipping insertion in model container [2020-10-14 10:20:28,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:27" (2/3) ... [2020-10-14 10:20:28,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39403640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:20:28, skipping insertion in model container [2020-10-14 10:20:28,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:20:28" (3/3) ... [2020-10-14 10:20:28,695 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.07.cil.c [2020-10-14 10:20:28,706 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:20:28,715 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:20:28,731 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:20:28,760 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:20:28,760 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:20:28,760 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:20:28,761 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:20:28,761 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:20:28,761 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:20:28,761 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:20:28,762 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:20:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-10-14 10:20:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-14 10:20:28,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:20:28,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:20:28,813 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:20:28,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:20:28,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1158593114, now seen corresponding path program 1 times [2020-10-14 10:20:28,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:20:28,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368290245] [2020-10-14 10:20:28,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:20:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:29,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:29,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:29,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:29,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:29,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:30,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:34,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-14 10:20:34,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:20:34,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 10:20:34,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:34,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:20:34,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:20:34,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:20:34,411 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 10:20:34,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:20:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:34,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:34,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:34,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:20:34,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:34,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:34,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:34,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:20:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:34,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:34,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:34,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:34,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:20:34,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:34,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:34,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:20:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-14 10:20:34,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:20:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:34,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:34,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:20:34,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:34,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:20:34,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:34,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:20:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:34,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:20:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:34,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:34,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:20:34,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:34,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 10:20:34,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:34,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 10:20:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:20:34,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:20:34,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:20:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:34,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:34,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:20:34,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:34,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 10:20:34,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:34,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:20:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:34,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:20:34,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:20:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:34,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:34,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:20:39,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:20:39,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 10:20:39,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 10:20:39,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:20:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:39,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:39,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:20:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:39,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:39,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:20:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:39,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:39,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:39,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:20:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:39,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:39,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:20:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:39,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:39,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:39,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:20:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:39,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:39,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:20:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:39,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:39,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:20:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:39,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:20:39,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:20:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:20:39,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:20:39,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:20:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:20:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:39,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:39,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:39,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:20:39,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:39,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:20:39,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:39,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:39,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:39,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:20:39,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:39,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:20:39,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368290245] [2020-10-14 10:20:39,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:20:39,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:20:39,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040074850] [2020-10-14 10:20:39,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:20:39,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:20:39,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:20:39,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:20:39,941 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 8 states. [2020-10-14 10:20:40,201 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:20:40,482 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 10:20:44,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:20:44,230 INFO L93 Difference]: Finished difference Result 818 states and 1318 transitions. [2020-10-14 10:20:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:20:44,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2020-10-14 10:20:44,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:20:44,255 INFO L225 Difference]: With dead ends: 818 [2020-10-14 10:20:44,256 INFO L226 Difference]: Without dead ends: 502 [2020-10-14 10:20:44,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 10:20:44,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-10-14 10:20:44,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 310. [2020-10-14 10:20:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-14 10:20:44,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 442 transitions. [2020-10-14 10:20:44,416 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 442 transitions. Word has length 165 [2020-10-14 10:20:44,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:20:44,417 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 442 transitions. [2020-10-14 10:20:44,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:20:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 442 transitions. [2020-10-14 10:20:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-14 10:20:44,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:20:44,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:20:44,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:20:44,424 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:20:44,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:20:44,424 INFO L82 PathProgramCache]: Analyzing trace with hash 772730712, now seen corresponding path program 1 times [2020-10-14 10:20:44,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:20:44,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382987137] [2020-10-14 10:20:44,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:20:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:44,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:44,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:44,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:44,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:44,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:47,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-14 10:20:49,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:20:49,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:20:49,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:20:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 10:20:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 10:20:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:49,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:20:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:49,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:20:49,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:49,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:49,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:49,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:20:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:49,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:49,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:49,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:49,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:20:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:20:49,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:20:49,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:49,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:49,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:20:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:20:49,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:20:49,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:49,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:20:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:20:49,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:20:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:20:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:20:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:20:54,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:20:54,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:20:54,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 10:20:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:20:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:54,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:54,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:54,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:20:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:54,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:54,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:20:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:54,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:54,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:54,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:20:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:54,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:54,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:20:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:54,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:54,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:54,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:54,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:54,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:20:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:54,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:54,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:54,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:20:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:54,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:54,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:54,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:20:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:54,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:54,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:54,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:20:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:20:54,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 10:20:54,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:20:54,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:20:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 10:20:54,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:20:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:54,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:54,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:54,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:20:54,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:54,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:20:54,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:54,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:54,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:54,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:20:54,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:54,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:20:54,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382987137] [2020-10-14 10:20:54,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:20:54,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:20:54,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573563715] [2020-10-14 10:20:54,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:20:54,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:20:54,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:20:54,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:20:54,963 INFO L87 Difference]: Start difference. First operand 310 states and 442 transitions. Second operand 9 states. [2020-10-14 10:20:55,770 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:21:02,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:02,131 INFO L93 Difference]: Finished difference Result 1378 states and 2092 transitions. [2020-10-14 10:21:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:21:02,132 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 165 [2020-10-14 10:21:02,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:02,144 INFO L225 Difference]: With dead ends: 1378 [2020-10-14 10:21:02,144 INFO L226 Difference]: Without dead ends: 1095 [2020-10-14 10:21:02,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-14 10:21:02,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-14 10:21:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 694. [2020-10-14 10:21:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-10-14 10:21:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 992 transitions. [2020-10-14 10:21:02,290 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 992 transitions. Word has length 165 [2020-10-14 10:21:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:02,291 INFO L479 AbstractCegarLoop]: Abstraction has 694 states and 992 transitions. [2020-10-14 10:21:02,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:21:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 992 transitions. [2020-10-14 10:21:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-14 10:21:02,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:02,297 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:21:02,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:21:02,297 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:02,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:02,298 INFO L82 PathProgramCache]: Analyzing trace with hash 113199190, now seen corresponding path program 1 times [2020-10-14 10:21:02,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:02,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669769115] [2020-10-14 10:21:02,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:02,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-14 10:21:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:21:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 10:21:07,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:07,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:21:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 10:21:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:21:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:07,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:07,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:07,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:07,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:07,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:21:07,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:07,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:07,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:07,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:07,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:07,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:07,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:07,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:07,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:07,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:07,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:07,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:07,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:07,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:07,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:07,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:07,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:07,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:07,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:07,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:07,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:07,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:07,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:07,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:07,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:07,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:07,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:21:07,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:07,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:21:07,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:07,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:07,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:07,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:07,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:07,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:21:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:07,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:07,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:21:07,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:07,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:21:07,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:07,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:07,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:07,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:07,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:21:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:07,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:21:11,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:21:11,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4067 [2020-10-14 10:21:11,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:21:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 10:21:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:21:11,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:11,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:11,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:21:11,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:11,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:21:11,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:11,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:21:11,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:21:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:21:11,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:11,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:11,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:11,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:11,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:21:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:11,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:11,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:11,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:21:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:11,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:11,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:11,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:21:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:21:11,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:21:11,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:21:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:11,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:21:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:11,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:11,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:11,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:11,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669769115] [2020-10-14 10:21:11,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:11,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:21:11,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101775828] [2020-10-14 10:21:11,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:21:11,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:11,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:21:11,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:21:11,928 INFO L87 Difference]: Start difference. First operand 694 states and 992 transitions. Second operand 10 states. [2020-10-14 10:21:12,977 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:21:13,109 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 10:21:13,235 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:21:13,439 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 10:21:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:16,723 INFO L93 Difference]: Finished difference Result 1802 states and 2743 transitions. [2020-10-14 10:21:16,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:21:16,725 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-10-14 10:21:16,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:16,736 INFO L225 Difference]: With dead ends: 1802 [2020-10-14 10:21:16,737 INFO L226 Difference]: Without dead ends: 1135 [2020-10-14 10:21:16,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:21:16,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2020-10-14 10:21:16,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 709. [2020-10-14 10:21:16,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-10-14 10:21:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1007 transitions. [2020-10-14 10:21:16,848 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1007 transitions. Word has length 165 [2020-10-14 10:21:16,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:16,849 INFO L479 AbstractCegarLoop]: Abstraction has 709 states and 1007 transitions. [2020-10-14 10:21:16,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:21:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1007 transitions. [2020-10-14 10:21:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-14 10:21:16,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:16,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:21:16,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:21:16,853 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:16,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:16,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1765931756, now seen corresponding path program 1 times [2020-10-14 10:21:16,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:16,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691760663] [2020-10-14 10:21:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:16,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:16,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:17,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:17,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:20,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:21,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:21,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-14 10:21:21,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 10:21:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 10:21:21,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:21,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:21:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:21:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 10:21:21,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:22,039 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-14 10:21:22,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:22,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:22,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:22,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:22,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 10:21:22,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:22,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:22,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:22,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:22,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:21:22,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:22,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:22,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:22,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:22,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:22,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:22,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:22,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:22,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:21:22,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:22,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:22,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:22,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:22,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:22,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:22,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:22,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:22,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:22,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:22,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:22,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:22,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:22,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:21:22,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:22,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:21:22,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:22,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:21:22,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:22,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:21:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:22,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:22,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:22,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:21:22,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:22,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:21:22,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:22,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:21:22,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:22,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:21:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:22,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:22,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:22,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:22,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:21:23,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:21:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1571 [2020-10-14 10:21:23,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 10:21:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:21:23,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:23,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:23,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:23,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:23,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:23,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:23,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:23,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:23,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:23,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:23,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:23,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:21:23,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:23,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:23,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:23,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:21:23,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:23,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:23,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:21:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:23,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:23,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:23,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:21:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:23,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:23,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:21:23,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:23,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:21:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:21:23,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:21:23,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:21:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:23,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:23,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:21:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:23,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:23,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:23,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:23,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691760663] [2020-10-14 10:21:23,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:23,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:21:23,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718066473] [2020-10-14 10:21:23,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:21:23,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:23,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:21:23,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:21:23,887 INFO L87 Difference]: Start difference. First operand 709 states and 1007 transitions. Second operand 8 states. [2020-10-14 10:21:24,010 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 10:21:29,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:29,799 INFO L93 Difference]: Finished difference Result 2825 states and 4286 transitions. [2020-10-14 10:21:29,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:21:29,800 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2020-10-14 10:21:29,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:29,815 INFO L225 Difference]: With dead ends: 2825 [2020-10-14 10:21:29,816 INFO L226 Difference]: Without dead ends: 2143 [2020-10-14 10:21:29,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:21:29,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2020-10-14 10:21:30,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 1417. [2020-10-14 10:21:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2020-10-14 10:21:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2027 transitions. [2020-10-14 10:21:30,020 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2027 transitions. Word has length 165 [2020-10-14 10:21:30,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:30,021 INFO L479 AbstractCegarLoop]: Abstraction has 1417 states and 2027 transitions. [2020-10-14 10:21:30,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:21:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2027 transitions. [2020-10-14 10:21:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 10:21:30,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:30,029 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:21:30,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:21:30,029 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:30,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:30,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1033714377, now seen corresponding path program 1 times [2020-10-14 10:21:30,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:30,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228213839] [2020-10-14 10:21:30,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:30,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:30,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:30,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:30,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:30,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:31,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:31,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 10:21:35,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:21:35,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 10:21:35,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:21:35,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:21:35,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-14 10:21:35,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:35,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 10:21:35,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:21:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:35,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:35,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:21:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:35,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:35,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:21:35,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:21:35,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:21:35,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:21:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:21:35,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:21:35,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:21:35,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:21:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:21:39,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:21:39,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3924 [2020-10-14 10:21:39,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 10:21:39,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 10:21:39,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:39,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:39,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:39,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:39,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:39,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:39,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:39,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:39,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:39,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:39,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:39,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:39,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:39,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:39,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:39,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:39,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:21:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:39,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:39,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:21:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:21:39,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:21:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:39,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:39,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:39,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:21:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:21:39,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:21:39,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:21:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:21:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:39,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:39,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 10:21:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:39,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:39,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 10:21:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:39,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:39,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:39,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:39,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:39,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:39,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:39,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:39,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:39,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 10:21:39,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228213839] [2020-10-14 10:21:39,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:39,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:21:39,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961472906] [2020-10-14 10:21:39,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:21:39,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:39,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:21:39,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:21:39,497 INFO L87 Difference]: Start difference. First operand 1417 states and 2027 transitions. Second operand 10 states. [2020-10-14 10:21:49,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:49,194 INFO L93 Difference]: Finished difference Result 6223 states and 9892 transitions. [2020-10-14 10:21:49,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 10:21:49,195 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 189 [2020-10-14 10:21:49,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:49,224 INFO L225 Difference]: With dead ends: 6223 [2020-10-14 10:21:49,224 INFO L226 Difference]: Without dead ends: 4833 [2020-10-14 10:21:49,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2020-10-14 10:21:49,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2020-10-14 10:21:49,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 3046. [2020-10-14 10:21:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3046 states. [2020-10-14 10:21:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 4382 transitions. [2020-10-14 10:21:49,678 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 4382 transitions. Word has length 189 [2020-10-14 10:21:49,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:49,680 INFO L479 AbstractCegarLoop]: Abstraction has 3046 states and 4382 transitions. [2020-10-14 10:21:49,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:21:49,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 4382 transitions. [2020-10-14 10:21:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 10:21:49,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:49,687 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:21:49,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:21:49,687 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:49,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:49,688 INFO L82 PathProgramCache]: Analyzing trace with hash -451525814, now seen corresponding path program 1 times [2020-10-14 10:21:49,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:49,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571504516] [2020-10-14 10:21:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:49,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:49,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:49,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:49,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:49,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:49,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:50,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:54,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 10:21:54,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:21:54,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:21:54,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:54,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:54,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:21:54,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:21:54,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 10:21:54,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:54,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:54,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:54,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:54,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:21:54,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:54,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:54,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:21:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:54,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:54,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:54,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:54,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:54,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:54,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:54,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:21:54,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:54,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:54,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:54,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:54,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:54,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:21:54,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:54,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:54,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:54,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:54,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:54,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:54,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:54,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:54,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:21:54,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:54,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:21:54,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:54,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:54,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:54,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:21:54,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:54,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:21:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:54,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:54,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:21:54,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:54,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:21:54,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:54,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:21:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:54,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:21:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:55,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:22:00,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:22:00,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:22:00,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:22:00,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-14 10:22:00,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:22:00,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:00,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:00,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:22:00,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:22:00,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:00,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:22:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:22:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:22:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:22:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:22:00,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:22:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:22:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 10:22:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:00,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 10:22:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:00,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:00,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 10:22:00,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571504516] [2020-10-14 10:22:00,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:00,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 10:22:00,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049865142] [2020-10-14 10:22:00,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 10:22:00,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:00,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 10:22:00,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-14 10:22:00,162 INFO L87 Difference]: Start difference. First operand 3046 states and 4382 transitions. Second operand 12 states. [2020-10-14 10:22:00,296 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 10:22:01,447 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-14 10:22:01,578 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 10:22:01,785 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 10:22:05,398 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:22:05,554 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 10:22:05,755 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:22:06,012 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 10:22:11,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:22:11,840 INFO L93 Difference]: Finished difference Result 13172 states and 21257 transitions. [2020-10-14 10:22:11,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 10:22:11,841 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 189 [2020-10-14 10:22:11,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:22:11,904 INFO L225 Difference]: With dead ends: 13172 [2020-10-14 10:22:11,905 INFO L226 Difference]: Without dead ends: 10153 [2020-10-14 10:22:11,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=327, Invalid=1005, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 10:22:11,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10153 states. [2020-10-14 10:22:12,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10153 to 6212. [2020-10-14 10:22:12,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6212 states. [2020-10-14 10:22:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6212 states to 6212 states and 8930 transitions. [2020-10-14 10:22:12,976 INFO L78 Accepts]: Start accepts. Automaton has 6212 states and 8930 transitions. Word has length 189 [2020-10-14 10:22:12,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:22:12,977 INFO L479 AbstractCegarLoop]: Abstraction has 6212 states and 8930 transitions. [2020-10-14 10:22:12,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 10:22:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 6212 states and 8930 transitions. [2020-10-14 10:22:12,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 10:22:12,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:22:12,985 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:22:12,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:22:12,985 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:22:12,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:22:12,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1497688939, now seen corresponding path program 1 times [2020-10-14 10:22:12,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:22:12,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764597718] [2020-10-14 10:22:12,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:22:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:13,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:13,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:13,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:13,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:13,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:13,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:18,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 10:22:18,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:22:18,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 10:22:18,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:18,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:22:18,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:22:18,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 10:22:18,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:18,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:22:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:18,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:18,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:18,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:18,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:22:18,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:18,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:18,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:22:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:18,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:22:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:18,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:18,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:18,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:18,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:18,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:18,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:22:18,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:18,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:22:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:18,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:18,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:22:18,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:18,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:18,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:18,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:18,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:18,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:18,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:22:18,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:18,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:22:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:18,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:18,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:22:18,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:18,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:22:18,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:18,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:22:18,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:18,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:22:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:18,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:18,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:22:18,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:18,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:22:18,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:18,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:22:18,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:22:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:18,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:21,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:22:23,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:22:23,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 10:22:23,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:23,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 10:22:23,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:22:23,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:23,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:23,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:23,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:23,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:23,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:23,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:23,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:23,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:23,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:23,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:23,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:23,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:23,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:23,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:23,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:23,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:23,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:23,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:22:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:23,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:23,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:22:23,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:23,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:22:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:23,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:23,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:22:23,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:22:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:23,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:23,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:22:23,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:22:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:22:23,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:23,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:22:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:22:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:23,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:23,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 10:22:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:23,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:23,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 10:22:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:23,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:23,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:23,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:23,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:23,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:23,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:23,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:23,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:23,380 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 10:22:23,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764597718] [2020-10-14 10:22:23,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:23,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:22:23,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11639380] [2020-10-14 10:22:23,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:22:23,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:23,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:22:23,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:22:23,382 INFO L87 Difference]: Start difference. First operand 6212 states and 8930 transitions. Second operand 9 states. [2020-10-14 10:22:26,727 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 10:22:34,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:22:34,644 INFO L93 Difference]: Finished difference Result 25102 states and 39809 transitions. [2020-10-14 10:22:34,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 10:22:34,645 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2020-10-14 10:22:34,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:22:34,752 INFO L225 Difference]: With dead ends: 25102 [2020-10-14 10:22:34,752 INFO L226 Difference]: Without dead ends: 18917 [2020-10-14 10:22:34,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-10-14 10:22:34,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18917 states. [2020-10-14 10:22:37,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18917 to 12352. [2020-10-14 10:22:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12352 states. [2020-10-14 10:22:37,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12352 states to 12352 states and 17814 transitions. [2020-10-14 10:22:37,085 INFO L78 Accepts]: Start accepts. Automaton has 12352 states and 17814 transitions. Word has length 189 [2020-10-14 10:22:37,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:22:37,085 INFO L479 AbstractCegarLoop]: Abstraction has 12352 states and 17814 transitions. [2020-10-14 10:22:37,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:22:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 12352 states and 17814 transitions. [2020-10-14 10:22:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 10:22:37,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:22:37,095 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:22:37,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:22:37,096 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:22:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:22:37,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1785148844, now seen corresponding path program 1 times [2020-10-14 10:22:37,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:22:37,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921449719] [2020-10-14 10:22:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:22:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:37,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:37,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:37,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:37,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:37,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:37,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:42,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 10:22:42,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:22:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 10:22:42,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:42,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:22:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-14 10:22:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:22:42,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:42,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:22:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:42,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:42,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:42,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:42,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:42,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:42,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:42,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:42,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:22:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:42,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:42,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:42,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:42,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:42,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:42,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:42,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:42,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:42,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:42,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:42,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:22:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:42,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:42,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:22:42,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:42,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:42,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:42,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:42,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:42,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:22:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:42,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:42,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:22:42,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:42,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:42,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:42,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:42,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:42,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:42,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:42,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:42,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:22:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:42,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:42,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:22:42,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:42,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:42,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:42,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:42,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:42,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:42,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:42,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:22:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:42,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:42,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:22:47,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:22:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:22:47,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:22:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 10:22:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:22:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:47,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:47,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:47,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:47,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:47,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:47,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:47,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:47,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:47,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:47,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:47,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:47,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:47,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:47,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:22:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:22:47,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:22:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:47,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:47,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:47,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:22:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:47,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:47,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:22:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:22:47,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:47,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:22:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:22:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:47,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:47,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 10:22:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:47,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:47,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 10:22:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:47,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:47,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:47,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:47,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:47,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:47,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:47,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:47,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 10:22:47,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921449719] [2020-10-14 10:22:47,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:47,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 10:22:47,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722138340] [2020-10-14 10:22:47,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:22:47,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:47,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:22:47,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:22:47,466 INFO L87 Difference]: Start difference. First operand 12352 states and 17814 transitions. Second operand 11 states. [2020-10-14 10:22:48,704 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:22:48,833 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 10:22:49,236 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:22:55,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:22:55,178 INFO L93 Difference]: Finished difference Result 32023 states and 50601 transitions. [2020-10-14 10:22:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 10:22:55,179 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2020-10-14 10:22:55,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:22:55,254 INFO L225 Difference]: With dead ends: 32023 [2020-10-14 10:22:55,254 INFO L226 Difference]: Without dead ends: 19698 [2020-10-14 10:22:55,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-14 10:22:55,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19698 states. [2020-10-14 10:22:56,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19698 to 12592. [2020-10-14 10:22:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12592 states. [2020-10-14 10:22:56,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12592 states to 12592 states and 18054 transitions. [2020-10-14 10:22:56,862 INFO L78 Accepts]: Start accepts. Automaton has 12592 states and 18054 transitions. Word has length 189 [2020-10-14 10:22:56,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:22:56,862 INFO L479 AbstractCegarLoop]: Abstraction has 12592 states and 18054 transitions. [2020-10-14 10:22:56,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:22:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 12592 states and 18054 transitions. [2020-10-14 10:22:56,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 10:22:56,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:22:56,870 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:22:56,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:22:56,870 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:22:56,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:22:56,871 INFO L82 PathProgramCache]: Analyzing trace with hash -632755222, now seen corresponding path program 1 times [2020-10-14 10:22:56,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:22:56,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329194918] [2020-10-14 10:22:56,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:22:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:57,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:57,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:57,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:01,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:01,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 10:23:01,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:23:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 10:23:01,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:01,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:23:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 10:23:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:23:01,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:02,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:23:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:02,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:02,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:02,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:02,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:02,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:02,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:02,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:23:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:02,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:02,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:02,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:02,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:02,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:02,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:02,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:02,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:02,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:23:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:02,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:02,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:02,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:23:02,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:02,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:02,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:02,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:02,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:02,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:23:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:02,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:02,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:02,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:23:02,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:02,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:23:02,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:02,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:02,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:02,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:02,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:23:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:02,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:02,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:23:02,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:02,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:02,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:02,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:02,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:23:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:02,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:02,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:02,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:02,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:03,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:23:07,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:23:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 10:23:07,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:23:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:23:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:23:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:23:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:07,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:07,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:23:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:07,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:07,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:23:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:07,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:07,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:23:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:07,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:07,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:23:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:07,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:07,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:23:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:23:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:23:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:07,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:07,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:23:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:23:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:07,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:07,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:23:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:23:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:07,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:07,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:23:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:23:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:23:07,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:07,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:23:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:23:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:07,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:07,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 10:23:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:07,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:07,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:07,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 10:23:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:07,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:07,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:07,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:07,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:07,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:07,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:07,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 10:23:07,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329194918] [2020-10-14 10:23:07,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:23:07,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 10:23:07,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282301932] [2020-10-14 10:23:07,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:23:07,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:23:07,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:23:07,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:23:07,234 INFO L87 Difference]: Start difference. First operand 12592 states and 18054 transitions. Second operand 11 states. [2020-10-14 10:23:08,492 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-14 10:23:08,611 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:23:08,814 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 10:23:14,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:23:14,814 INFO L93 Difference]: Finished difference Result 32311 states and 50755 transitions. [2020-10-14 10:23:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 10:23:14,815 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2020-10-14 10:23:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:23:14,895 INFO L225 Difference]: With dead ends: 32311 [2020-10-14 10:23:14,895 INFO L226 Difference]: Without dead ends: 19746 [2020-10-14 10:23:14,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-14 10:23:14,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19746 states. [2020-10-14 10:23:16,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19746 to 12712. [2020-10-14 10:23:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12712 states. [2020-10-14 10:23:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12712 states to 12712 states and 18150 transitions. [2020-10-14 10:23:16,585 INFO L78 Accepts]: Start accepts. Automaton has 12712 states and 18150 transitions. Word has length 189 [2020-10-14 10:23:16,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:23:16,586 INFO L479 AbstractCegarLoop]: Abstraction has 12712 states and 18150 transitions. [2020-10-14 10:23:16,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:23:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 12712 states and 18150 transitions. [2020-10-14 10:23:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 10:23:16,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:23:16,593 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:23:16,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:23:16,593 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:23:16,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:23:16,594 INFO L82 PathProgramCache]: Analyzing trace with hash 398285676, now seen corresponding path program 1 times [2020-10-14 10:23:16,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:23:16,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371273604] [2020-10-14 10:23:16,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:23:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:16,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:16,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:16,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:16,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:16,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:18,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:18,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:18,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:21,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:21,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 10:23:21,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:23:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:23:21,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:21,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-14 10:23:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:23:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:21,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:23:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:21,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:21,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:21,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:21,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:21,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:23:21,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:21,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:21,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:21,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:23:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:21,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:21,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:21,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:21,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:21,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:21,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:21,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:21,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:21,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:21,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:21,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:21,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:23:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:21,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:21,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:21,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:23:21,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:21,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:21,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:21,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:21,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:21,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:21,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:21,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:23:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:21,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:21,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:21,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:23:21,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:21,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:23:21,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:21,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:21,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:21,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:21,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:21,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:21,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:23:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:21,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:21,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:21,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:23:21,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:21,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:21,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:21,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:21,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:23:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:21,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:21,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:21,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:21,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:23:23,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:23:23,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1605 [2020-10-14 10:23:23,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:23:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:23,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:23,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:23:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:23,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:23,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:23:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:23,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:23,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:23:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:23,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:23,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:23:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:23,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:23,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:23:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:23,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:23,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:23:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:23,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:23,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:23:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:23,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:23,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:23:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:23:23,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:23,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:23:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:23,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:23,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:23:23,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 10:23:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:23,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:23,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:23,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 10:23:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:23,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:23,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:23,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:23,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:23,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:23,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:23,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:23,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:23,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 10:23:23,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371273604] [2020-10-14 10:23:23,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:23:23,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 10:23:23,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969664295] [2020-10-14 10:23:23,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:23:23,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:23:23,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:23:23,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:23:23,547 INFO L87 Difference]: Start difference. First operand 12712 states and 18150 transitions. Second operand 8 states. [2020-10-14 10:23:23,666 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-14 10:23:33,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:23:33,994 INFO L93 Difference]: Finished difference Result 50288 states and 81032 transitions. [2020-10-14 10:23:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 10:23:33,994 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 189 [2020-10-14 10:23:33,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:23:34,170 INFO L225 Difference]: With dead ends: 50288 [2020-10-14 10:23:34,177 INFO L226 Difference]: Without dead ends: 37605 [2020-10-14 10:23:34,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:23:34,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37605 states. [2020-10-14 10:23:38,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37605 to 26616. [2020-10-14 10:23:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26616 states. [2020-10-14 10:23:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26616 states to 26616 states and 39456 transitions. [2020-10-14 10:23:38,221 INFO L78 Accepts]: Start accepts. Automaton has 26616 states and 39456 transitions. Word has length 189 [2020-10-14 10:23:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:23:38,222 INFO L479 AbstractCegarLoop]: Abstraction has 26616 states and 39456 transitions. [2020-10-14 10:23:38,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:23:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 26616 states and 39456 transitions. [2020-10-14 10:23:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-14 10:23:38,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:23:38,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:23:38,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:23:38,232 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:23:38,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:23:38,233 INFO L82 PathProgramCache]: Analyzing trace with hash 921067328, now seen corresponding path program 1 times [2020-10-14 10:23:38,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:23:38,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297015699] [2020-10-14 10:23:38,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:23:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:38,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:38,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:38,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:38,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:38,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:43,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-14 10:23:43,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:23:43,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 10:23:43,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:43,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:43,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:23:43,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 10:23:43,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 10:23:43,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:43,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:23:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:43,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:43,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:43,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:43,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:43,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:43,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:43,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:23:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:43,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:43,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:43,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:43,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:43,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:43,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:43,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:43,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:23:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:43,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:43,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:23:43,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:43,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:43,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:43,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:43,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:43,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:43,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:23:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:43,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:43,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:23:43,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:43,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:43,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:43,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:43,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:43,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:43,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:43,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:43,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:23:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:43,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:43,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:23:43,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:43,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:43,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:43,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:43,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 10:23:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:43,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:43,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:23:45,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:23:45,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1655 [2020-10-14 10:23:45,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 10:23:45,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:23:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:45,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:45,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:23:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:45,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:45,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:45,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:45,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:23:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:45,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:45,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:45,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:45,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:23:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:45,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:45,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:45,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:45,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:23:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:45,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:45,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:45,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:23:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:45,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:45,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:45,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:23:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:45,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:45,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:23:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:45,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:45,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:45,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 10:23:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 10:23:45,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:23:45,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:23:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 10:23:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:45,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:45,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:45,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:23:45,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 10:23:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:45,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:45,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:23:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:45,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:45,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:45,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:45,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:45,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:45,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:45,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:45,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:45,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 10:23:45,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297015699] [2020-10-14 10:23:45,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:23:45,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:23:45,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122830984] [2020-10-14 10:23:45,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:23:45,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:23:45,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:23:45,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:23:45,225 INFO L87 Difference]: Start difference. First operand 26616 states and 39456 transitions. Second operand 8 states. [2020-10-14 10:24:01,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:24:01,036 INFO L93 Difference]: Finished difference Result 104271 states and 180051 transitions. [2020-10-14 10:24:01,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 10:24:01,037 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-14 10:24:01,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:24:01,443 INFO L225 Difference]: With dead ends: 104271 [2020-10-14 10:24:01,444 INFO L226 Difference]: Without dead ends: 77684 [2020-10-14 10:24:01,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:24:01,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77684 states.