/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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.06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:57:01,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:57:01,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:57:01,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:57:01,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:57:01,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:57:01,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:57:01,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:57:01,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:57:01,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:57:01,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:57:01,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:57:01,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:57:01,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:57:01,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:57:01,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:57:01,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:57:01,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:57:01,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:57:01,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:57:01,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:57:01,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:57:01,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:57:01,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:57:01,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:57:01,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:57:01,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:57:01,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:57:01,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:57:01,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:57:01,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:57:01,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:57:01,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:57:01,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:57:01,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:57:01,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:57:01,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:57:01,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:57:01,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:57:01,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:57:01,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:57:01,766 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 [2020-10-15 04:57:01,802 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:57:01,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:57:01,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:57:01,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:57:01,803 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:57:01,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:57:01,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:57:01,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:57:01,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:57:01,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:57:01,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:57:01,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:57:01,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:57:01,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:57:01,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:57:01,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:57:01,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:57:01,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:57:01,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:57:01,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:57:01,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:57:01,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:57:01,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:57:01,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:57:01,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:57:01,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:57:01,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:57:01,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:57:01,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:57:01,808 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:57:02,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:57:02,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:57:02,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:57:02,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:57:02,150 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:57:02,151 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.06.cil.c [2020-10-15 04:57:02,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f70046e60/465ab853d45142d7a0e16c788a6ebe0a/FLAGfcb199aba [2020-10-15 04:57:02,731 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:57:02,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.06.cil.c [2020-10-15 04:57:02,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f70046e60/465ab853d45142d7a0e16c788a6ebe0a/FLAGfcb199aba [2020-10-15 04:57:03,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f70046e60/465ab853d45142d7a0e16c788a6ebe0a [2020-10-15 04:57:03,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:57:03,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:57:03,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:57:03,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:57:03,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:57:03,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:57:03" (1/1) ... [2020-10-15 04:57:03,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef001ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03, skipping insertion in model container [2020-10-15 04:57:03,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:57:03" (1/1) ... [2020-10-15 04:57:03,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:57:03,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:57:03,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:57:03,488 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:57:03,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:57:03,693 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:57:03,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03 WrapperNode [2020-10-15 04:57:03,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:57:03,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:57:03,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:57:03,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:57:03,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03" (1/1) ... [2020-10-15 04:57:03,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03" (1/1) ... [2020-10-15 04:57:03,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03" (1/1) ... [2020-10-15 04:57:03,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03" (1/1) ... [2020-10-15 04:57:03,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03" (1/1) ... [2020-10-15 04:57:03,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03" (1/1) ... [2020-10-15 04:57:03,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03" (1/1) ... [2020-10-15 04:57:03,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:57:03,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:57:03,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:57:03,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:57:03,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03" (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 [2020-10-15 04:57:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:57:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:57:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-15 04:57:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-15 04:57:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-15 04:57:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-15 04:57:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-15 04:57:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-15 04:57:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-15 04:57:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-15 04:57:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-15 04:57:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-15 04:57:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-15 04:57:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-15 04:57:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-15 04:57:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-15 04:57:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-15 04:57:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-15 04:57:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-15 04:57:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-15 04:57:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-15 04:57:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-15 04:57:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-15 04:57:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-15 04:57:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-15 04:57:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-15 04:57:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-15 04:57:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-15 04:57:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-15 04:57:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-15 04:57:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:57:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:57:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:57:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-15 04:57:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-15 04:57:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-15 04:57:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-15 04:57:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-15 04:57:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-15 04:57:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-15 04:57:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-15 04:57:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-15 04:57:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-15 04:57:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-15 04:57:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-15 04:57:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-15 04:57:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-15 04:57:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-15 04:57:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-15 04:57:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-15 04:57:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-15 04:57:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-15 04:57:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-15 04:57:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-15 04:57:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-15 04:57:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-15 04:57:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-15 04:57:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-15 04:57:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-15 04:57:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-15 04:57:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-15 04:57:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:57:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:57:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:57:04,719 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:57:04,719 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 04:57:04,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:57:04 BoogieIcfgContainer [2020-10-15 04:57:04,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:57:04,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:57:04,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:57:04,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:57:04,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:57:03" (1/3) ... [2020-10-15 04:57:04,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc07ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:57:04, skipping insertion in model container [2020-10-15 04:57:04,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:03" (2/3) ... [2020-10-15 04:57:04,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc07ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:57:04, skipping insertion in model container [2020-10-15 04:57:04,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:57:04" (3/3) ... [2020-10-15 04:57:04,740 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.06.cil.c [2020-10-15 04:57:04,750 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:57:04,758 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:57:04,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:57:04,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:57:04,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:57:04,801 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:57:04,801 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:57:04,802 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:57:04,802 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:57:04,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:57:04,802 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:57:04,829 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2020-10-15 04:57:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:57:04,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:04,848 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] [2020-10-15 04:57:04,849 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:04,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:04,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1616556766, now seen corresponding path program 1 times [2020-10-15 04:57:04,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:04,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095301448] [2020-10-15 04:57:04,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:05,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:05,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:05,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:05,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:05,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:06,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:07,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:57:10,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 04:57:10,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-15 04:57:10,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:57:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:57:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-15 04:57:10,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-15 04:57:10,686 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 04:57:10,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:10,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 04:57:10,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:57:10,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:57:10,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:10,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:57:10,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:57:10,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:10,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:10,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:10,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:57:10,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:57:10,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:57:10,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 04:57:10,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:57:10,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:11,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:57:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:11,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:11,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:11,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:57:11,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:11,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 04:57:11,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:11,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:11,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:57:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:11,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:57:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:11,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:11,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:11,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:11,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:57:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:57:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2364 [2020-10-15 04:57:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-15 04:57:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 04:57:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:13,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:13,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:13,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:13,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:13,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:57:13,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:13,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:13,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:13,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:13,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:13,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:13,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:57:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:13,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:13,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:13,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:13,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:13,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:13,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:13,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:57:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:13,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:13,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:13,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:13,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:13,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:13,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:57:13,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:57:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:13,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:13,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:13,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:13,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:13,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:13,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:57:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:13,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:13,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:13,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:13,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:13,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:57:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:13,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:57:13,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:13,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:57:13,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:13,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:57:13,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:13,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:57:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:13,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:13,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:13,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:13,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:13,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:13,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:57:13,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095301448] [2020-10-15 04:57:13,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:13,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:57:13,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620736253] [2020-10-15 04:57:13,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:57:13,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:13,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:57:13,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:57:13,636 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 9 states. [2020-10-15 04:57:13,861 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 04:57:19,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:19,695 INFO L93 Difference]: Finished difference Result 1147 states and 1889 transitions. [2020-10-15 04:57:19,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 04:57:19,697 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2020-10-15 04:57:19,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:19,724 INFO L225 Difference]: With dead ends: 1147 [2020-10-15 04:57:19,725 INFO L226 Difference]: Without dead ends: 859 [2020-10-15 04:57:19,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-10-15 04:57:19,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-15 04:57:19,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 547. [2020-10-15 04:57:19,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-15 04:57:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 781 transitions. [2020-10-15 04:57:19,976 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 781 transitions. Word has length 150 [2020-10-15 04:57:19,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:19,977 INFO L479 AbstractCegarLoop]: Abstraction has 547 states and 781 transitions. [2020-10-15 04:57:19,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:57:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 781 transitions. [2020-10-15 04:57:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:57:19,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:19,984 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] [2020-10-15 04:57:19,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:57:19,985 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:19,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:19,985 INFO L82 PathProgramCache]: Analyzing trace with hash -478927901, now seen corresponding path program 1 times [2020-10-15 04:57:19,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:19,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393665224] [2020-10-15 04:57:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:22,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:22,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:25,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:57:25,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 04:57:25,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-15 04:57:25,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:25,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:25,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:57:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:57:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-15 04:57:25,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:25,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:25,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:25,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:25,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:25,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 04:57:25,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:25,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:25,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:25,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:25,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:57:25,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:25,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:25,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:25,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:25,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:25,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:57:25,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:25,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:57:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 20 [2020-10-15 04:57:25,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:25,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:25,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:25,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:25,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:25,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:25,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:57:25,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:25,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:25,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:25,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:57:25,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:25,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:57:25,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:25,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:25,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:57:25,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:25,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:57:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:25,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:25,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:57:25,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:57:25,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:25,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:57:25,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:25,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:57:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:25,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:26,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:57:30,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:57:30,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 04:57:30,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-15 04:57:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 04:57:30,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:30,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:30,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:30,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:30,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:30,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:30,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:30,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:30,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:30,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:30,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:30,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:30,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:30,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:30,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:57:30,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:30,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:57:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:30,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:30,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:30,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:30,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:30,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:30,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:57:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:30,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:30,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:30,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:57:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:30,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:30,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:30,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:30,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:30,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:57:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:30,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:30,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:30,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:57:30,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:30,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:30,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:30,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:57:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:57:30,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:30,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:57:30,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:30,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:57:30,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:30,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:30,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:57:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:30,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:30,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:30,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:30,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:30,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:30,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:30,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:30,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:30,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:57:30,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393665224] [2020-10-15 04:57:30,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:30,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 04:57:30,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382692479] [2020-10-15 04:57:30,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 04:57:30,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:30,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 04:57:30,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:57:30,554 INFO L87 Difference]: Start difference. First operand 547 states and 781 transitions. Second operand 8 states. [2020-10-15 04:57:30,708 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 04:57:36,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:36,672 INFO L93 Difference]: Finished difference Result 2178 states and 3355 transitions. [2020-10-15 04:57:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:57:36,675 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-10-15 04:57:36,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:36,688 INFO L225 Difference]: With dead ends: 2178 [2020-10-15 04:57:36,689 INFO L226 Difference]: Without dead ends: 1656 [2020-10-15 04:57:36,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:57:36,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-10-15 04:57:36,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1075. [2020-10-15 04:57:36,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2020-10-15 04:57:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1542 transitions. [2020-10-15 04:57:36,834 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1542 transitions. Word has length 150 [2020-10-15 04:57:36,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:36,835 INFO L479 AbstractCegarLoop]: Abstraction has 1075 states and 1542 transitions. [2020-10-15 04:57:36,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 04:57:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1542 transitions. [2020-10-15 04:57:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:57:36,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:36,838 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] [2020-10-15 04:57:36,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:57:36,838 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:36,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:36,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1964168092, now seen corresponding path program 1 times [2020-10-15 04:57:36,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:36,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715559253] [2020-10-15 04:57:36,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:36,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:41,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:41,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:57:41,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:57:41,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 04:57:41,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:41,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:57:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:57:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 04:57:41,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:41,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:41,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:42,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:42,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:42,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:57:42,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:42,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:57:42,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:42,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:42,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:42,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:42,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:42,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:42,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:57:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:57:42,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:42,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:42,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:42,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:42,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:42,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:42,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:57:42,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 04:57:42,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:42,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:42,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:57:42,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:42,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:57:42,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:42,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:42,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:42,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:57:42,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:42,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:57:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:42,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:42,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:57:42,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:57:42,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:42,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:57:42,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:42,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:57:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:42,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:42,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:44,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:44,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:57:47,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:57:47,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 04:57:47,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 04:57:47,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:47,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:47,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:47,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:47,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:47,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:57:47,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:47,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:47,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:47,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:47,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:47,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:47,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:47,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:47,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:47,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:47,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:47,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:47,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:47,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:47,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-15 04:57:47,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:57:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:47,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:47,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:47,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:47,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:47,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:47,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:57:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:47,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:47,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:47,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:47,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:47,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:47,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:47,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:57:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:47,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:47,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:47,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:47,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:47,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:47,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:47,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:47,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:57:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:47,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:47,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:47,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:47,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:47,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:47,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:57:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:47,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:57:47,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:57:47,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:47,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:57:47,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:47,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:57:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:47,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:47,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:47,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:47,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:47,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:47,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:57:47,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715559253] [2020-10-15 04:57:47,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:47,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 04:57:47,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55810730] [2020-10-15 04:57:47,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 04:57:47,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:47,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 04:57:47,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:57:47,354 INFO L87 Difference]: Start difference. First operand 1075 states and 1542 transitions. Second operand 8 states. [2020-10-15 04:57:47,505 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 04:57:53,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:53,412 INFO L93 Difference]: Finished difference Result 4224 states and 6498 transitions. [2020-10-15 04:57:53,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:57:53,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-10-15 04:57:53,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:53,434 INFO L225 Difference]: With dead ends: 4224 [2020-10-15 04:57:53,435 INFO L226 Difference]: Without dead ends: 3174 [2020-10-15 04:57:53,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:57:53,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2020-10-15 04:57:53,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 2263. [2020-10-15 04:57:53,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2263 states. [2020-10-15 04:57:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 3293 transitions. [2020-10-15 04:57:53,685 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 3293 transitions. Word has length 150 [2020-10-15 04:57:53,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:53,686 INFO L479 AbstractCegarLoop]: Abstraction has 2263 states and 3293 transitions. [2020-10-15 04:57:53,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 04:57:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 3293 transitions. [2020-10-15 04:57:53,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:57:53,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:53,690 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] [2020-10-15 04:57:53,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:57:53,691 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:53,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:53,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1676708187, now seen corresponding path program 1 times [2020-10-15 04:57:53,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:53,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448604482] [2020-10-15 04:57:53,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:53,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:53,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:53,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:53,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:53,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:53,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:53,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:54,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:58,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:58,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:57:58,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:57:58,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-15 04:57:58,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:58,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:57:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:57:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-15 04:57:58,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:58,881 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 04:57:58,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:58,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:58,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:58,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:58,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 04:57:58,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:58,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:58,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:58,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:57:58,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:58,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:58,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:58,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:58,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:58,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:58,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:57:58,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:58,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:57:58,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:58,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:58,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:58,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:58,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:58,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:58,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:58,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:57:58,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:58,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:58,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:59,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:59,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:57:59,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:59,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:57:59,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:59,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:57:59,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:59,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:57:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:59,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:59,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:59,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:57:59,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:59,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 04:57:59,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:59,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 04:57:59,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:59,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:57:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:59,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:59,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:59,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:59,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:59,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:58:04,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:58:04,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 04:58:04,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:58:04,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 04:58:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:58:04,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:04,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:58:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:04,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:04,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:04,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:04,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:04,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:04,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:58:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:04,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:04,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:04,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:04,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:04,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:04,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:04,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:58:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:04,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:04,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:04,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:58:04,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:58:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:58:04,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:04,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:58:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:04,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:04,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:04,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:04,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:04,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:04,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:58:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:04,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:04,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:04,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:04,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:04,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:04,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:04,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:04,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:58:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:04,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:04,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:04,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:04,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:04,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:04,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:04,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:04,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:58:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:04,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:04,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:04,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:04,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:58:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:04,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:58:04,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:04,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:58:04,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:04,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:58:04,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:04,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:58:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:04,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:04,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:04,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:04,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:04,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:04,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:04,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:04,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:58:04,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448604482] [2020-10-15 04:58:04,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:58:04,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 04:58:04,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883201257] [2020-10-15 04:58:04,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 04:58:04,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:58:04,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 04:58:04,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-15 04:58:04,217 INFO L87 Difference]: Start difference. First operand 2263 states and 3293 transitions. Second operand 11 states. [2020-10-15 04:58:10,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:58:10,972 INFO L93 Difference]: Finished difference Result 8568 states and 13500 transitions. [2020-10-15 04:58:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 04:58:10,973 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 150 [2020-10-15 04:58:10,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:58:11,018 INFO L225 Difference]: With dead ends: 8568 [2020-10-15 04:58:11,018 INFO L226 Difference]: Without dead ends: 6330 [2020-10-15 04:58:11,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-10-15 04:58:11,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6330 states. [2020-10-15 04:58:11,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6330 to 4513. [2020-10-15 04:58:11,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4513 states. [2020-10-15 04:58:11,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4513 states to 4513 states and 6595 transitions. [2020-10-15 04:58:11,544 INFO L78 Accepts]: Start accepts. Automaton has 4513 states and 6595 transitions. Word has length 150 [2020-10-15 04:58:11,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:58:11,545 INFO L479 AbstractCegarLoop]: Abstraction has 4513 states and 6595 transitions. [2020-10-15 04:58:11,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 04:58:11,545 INFO L276 IsEmpty]: Start isEmpty. Operand 4513 states and 6595 transitions. [2020-10-15 04:58:11,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:58:11,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:58:11,547 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] [2020-10-15 04:58:11,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:58:11,548 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:58:11,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:58:11,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1916017478, now seen corresponding path program 1 times [2020-10-15 04:58:11,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:58:11,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617805262] [2020-10-15 04:58:11,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:58:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:11,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:16,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:58:16,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:58:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 04:58:16,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:16,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:58:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:58:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 04:58:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:16,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:58:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:16,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:16,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:16,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:16,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:58:16,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:16,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:16,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:16,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:16,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:58:16,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:16,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:58:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:16,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:16,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:16,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:58:16,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:16,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:58:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:16,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:16,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:58:16,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:16,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:16,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:16,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:58:16,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:16,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:58:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:16,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:16,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:58:16,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:16,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:58:16,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:16,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:16,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:16,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:16,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:58:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:16,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:58:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:16,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:16,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:58:16,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:16,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 04:58:16,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:16,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:58:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:58:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:58:16,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:16,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:58:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:16,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:16,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:17,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:21,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:21,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:58:21,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:58:21,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 04:58:21,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:21,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:58:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-15 04:58:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:58:21,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:21,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:58:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:21,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:21,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:21,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:21,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:58:21,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:21,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:21,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:21,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-15 04:58:21,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:58:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:21,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:21,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:21,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:21,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:58:21,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:21,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:21,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:21,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:58:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:21,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:21,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:21,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:21,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:21,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:58:21,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:21,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:21,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:21,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:21,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:21,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:21,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:58:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:21,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:21,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:21,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:21,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:21,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:58:21,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:21,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:21,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:21,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 04:58:21,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:58:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:21,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:21,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:21,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:21,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:21,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:58:21,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:21,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:21,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:58:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:58:21,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:22,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:58:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:22,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:22,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:22,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:22,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:22,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:22,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:22,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:22,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:58:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:22,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:22,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:22,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:22,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:22,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:22,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:22,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:22,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:22,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:58:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:22,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:22,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:22,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:58:22,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:22,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 04:58:22,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:22,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:58:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:22,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:22,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:58:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:22,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:22,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:22,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:22,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:22,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:58:22,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:22,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:22,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:58:22,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617805262] [2020-10-15 04:58:22,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:58:22,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 04:58:22,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541221463] [2020-10-15 04:58:22,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:58:22,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:58:22,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:58:22,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:58:22,140 INFO L87 Difference]: Start difference. First operand 4513 states and 6595 transitions. Second operand 12 states. [2020-10-15 04:58:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:58:30,051 INFO L93 Difference]: Finished difference Result 16827 states and 26332 transitions. [2020-10-15 04:58:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 04:58:30,052 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 150 [2020-10-15 04:58:30,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:58:30,127 INFO L225 Difference]: With dead ends: 16827 [2020-10-15 04:58:30,128 INFO L226 Difference]: Without dead ends: 12338 [2020-10-15 04:58:30,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-15 04:58:30,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12338 states. [2020-10-15 04:58:31,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12338 to 9189. [2020-10-15 04:58:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9189 states. [2020-10-15 04:58:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9189 states to 9189 states and 13464 transitions. [2020-10-15 04:58:31,055 INFO L78 Accepts]: Start accepts. Automaton has 9189 states and 13464 transitions. Word has length 150 [2020-10-15 04:58:31,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:58:31,056 INFO L479 AbstractCegarLoop]: Abstraction has 9189 states and 13464 transitions. [2020-10-15 04:58:31,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:58:31,056 INFO L276 IsEmpty]: Start isEmpty. Operand 9189 states and 13464 transitions. [2020-10-15 04:58:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:58:31,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:58:31,058 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] [2020-10-15 04:58:31,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 04:58:31,058 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:58:31,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:58:31,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1425661816, now seen corresponding path program 1 times [2020-10-15 04:58:31,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:58:31,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001291363] [2020-10-15 04:58:31,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:58:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:31,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:31,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:31,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:31,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:31,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:31,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:32,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:36,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:58:36,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:58:36,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:58:36,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:36,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:36,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:58:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:58:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 04:58:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:36,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:58:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:36,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:36,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:36,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:36,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:58:36,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:36,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:58:36,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:36,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:58:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:36,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:36,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:36,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:58:36,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:36,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:58:36,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:36,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:58:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:36,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:36,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:58:36,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:36,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:36,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:36,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:36,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:36,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:36,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:58:36,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:58:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:36,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:36,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:58:36,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:36,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:58:36,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:36,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:58:36,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:58:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:36,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:36,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:58:36,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:36,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:58:36,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:36,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:58:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:58:36,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:58:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:36,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:58:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:36,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:36,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:38,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:58:41,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:58:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:58:41,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:58:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:41,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:58:41,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:58:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:41,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:41,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:41,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:58:41,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:58:41,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:58:41,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:58:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:41,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:41,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:41,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:41,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:41,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:58:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:41,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:41,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:41,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:41,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:58:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:41,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:41,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:41,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:41,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:41,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:41,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:41,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:58:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:41,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:41,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:41,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:41,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:58:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:41,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:41,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:41,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:41,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:41,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:41,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:41,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:58:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:41,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:41,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:41,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:41,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:58:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:58:41,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:58:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:41,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:58:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:41,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:41,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:41,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:41,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:41,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:41,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:41,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:41,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:58:41,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001291363] [2020-10-15 04:58:41,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:58:41,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 04:58:41,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315853668] [2020-10-15 04:58:41,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 04:58:41,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:58:41,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 04:58:41,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:58:41,480 INFO L87 Difference]: Start difference. First operand 9189 states and 13464 transitions. Second operand 14 states. [2020-10-15 04:58:46,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:58:46,967 INFO L93 Difference]: Finished difference Result 21204 states and 32595 transitions. [2020-10-15 04:58:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 04:58:46,968 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2020-10-15 04:58:46,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:58:47,030 INFO L225 Difference]: With dead ends: 21204 [2020-10-15 04:58:47,030 INFO L226 Difference]: Without dead ends: 12039 [2020-10-15 04:58:47,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-10-15 04:58:47,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12039 states. [2020-10-15 04:58:47,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12039 to 9229. [2020-10-15 04:58:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9229 states. [2020-10-15 04:58:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9229 states to 9229 states and 13368 transitions. [2020-10-15 04:58:47,910 INFO L78 Accepts]: Start accepts. Automaton has 9229 states and 13368 transitions. Word has length 150 [2020-10-15 04:58:47,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:58:47,911 INFO L479 AbstractCegarLoop]: Abstraction has 9229 states and 13368 transitions. [2020-10-15 04:58:47,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 04:58:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 9229 states and 13368 transitions. [2020-10-15 04:58:47,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:58:47,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:58:47,913 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] [2020-10-15 04:58:47,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 04:58:47,913 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:58:47,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:58:47,913 INFO L82 PathProgramCache]: Analyzing trace with hash -904594614, now seen corresponding path program 1 times [2020-10-15 04:58:47,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:58:47,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972451957] [2020-10-15 04:58:47,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:58:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:47,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:47,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:47,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:48,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:48,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:48,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:52,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:52,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:58:52,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:58:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 04:58:52,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:52,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:58:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:58:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 04:58:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:53,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:58:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:53,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:53,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:53,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:53,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:58:53,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:53,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:58:53,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:53,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:58:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:53,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:53,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:53,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:53,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:53,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:58:53,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:53,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:58:53,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:53,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:58:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:53,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:53,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:53,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:58:53,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:53,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:53,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:53,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:58:53,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:53,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:58:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:53,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:53,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:53,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:58:53,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:53,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:58:53,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:53,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:58:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:53,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:58:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:53,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:53,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:53,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:58:53,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:53,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:58:53,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:53,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:53,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:58:53,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:58:53,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:58:53,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:53,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:58:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:53,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:53,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:53,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:53,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:53,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:58:55,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:58:55,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2002 [2020-10-15 04:58:55,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:58:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 04:58:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:58:55,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:55,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:58:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:55,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:55,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:55,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:55,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:55,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:55,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:55,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:55,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:58:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:55,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:58:55,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:58:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:58:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:55,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:58:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:55,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:55,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:55,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:55,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:58:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:55,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:55,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:55,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:55,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:55,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:55,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:58:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:55,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:55,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:55,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:55,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:55,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:55,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:58:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:55,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:55,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:55,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:55,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:55,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:58:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:55,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:55,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:55,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:55,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:58:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:55,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:55,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:58:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:55,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:58:55,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:55,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:58:55,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:58:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:55,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:55,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:58:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:55,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:55,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:55,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:55,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:55,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:55,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:55,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:55,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:55,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:55,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:58:55,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972451957] [2020-10-15 04:58:55,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:58:55,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 04:58:55,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281524466] [2020-10-15 04:58:55,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 04:58:55,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:58:55,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 04:58:55,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:58:55,343 INFO L87 Difference]: Start difference. First operand 9229 states and 13368 transitions. Second operand 14 states. [2020-10-15 04:59:00,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:59:00,528 INFO L93 Difference]: Finished difference Result 21304 states and 32395 transitions. [2020-10-15 04:59:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:59:00,529 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2020-10-15 04:59:00,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:59:00,585 INFO L225 Difference]: With dead ends: 21304 [2020-10-15 04:59:00,585 INFO L226 Difference]: Without dead ends: 12099 [2020-10-15 04:59:00,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-15 04:59:00,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12099 states. [2020-10-15 04:59:01,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12099 to 9309. [2020-10-15 04:59:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9309 states. [2020-10-15 04:59:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9309 states to 9309 states and 13320 transitions. [2020-10-15 04:59:01,319 INFO L78 Accepts]: Start accepts. Automaton has 9309 states and 13320 transitions. Word has length 150 [2020-10-15 04:59:01,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:59:01,320 INFO L479 AbstractCegarLoop]: Abstraction has 9309 states and 13320 transitions. [2020-10-15 04:59:01,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 04:59:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 9309 states and 13320 transitions. [2020-10-15 04:59:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:59:01,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:59:01,322 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] [2020-10-15 04:59:01,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 04:59:01,322 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:59:01,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:59:01,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1077940282, now seen corresponding path program 1 times [2020-10-15 04:59:01,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:59:01,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043699610] [2020-10-15 04:59:01,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:59:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:01,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:03,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:59:06,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-15 04:59:06,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 04:59:06,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:59:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:59:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-15 04:59:06,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:59:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:06,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:59:06,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:59:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:06,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:59:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:06,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:59:06,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:59:06,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:06,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:59:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:59:06,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:06,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:59:06,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:59:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:59:06,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:59:06,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:59:06,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:59:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:59:06,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 04:59:06,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:59:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:59:06,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:59:06,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:59:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:59:07,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:59:07,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-10-15 04:59:07,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:07,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 04:59:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:07,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:59:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:07,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:07,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:07,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:07,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:07,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:59:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:07,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:07,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:07,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:07,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:07,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:07,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:07,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:59:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:07,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:07,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:07,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:07,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:07,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:07,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:07,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:07,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:59:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:07,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:07,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:07,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:07,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:07,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:59:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:07,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:07,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:07,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:07,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:07,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:59:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:07,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:07,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:07,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:07,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:07,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:07,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:59:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:07,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:07,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:07,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:07,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:07,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:07,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:07,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:59:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:07,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:59:07,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:07,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 04:59:07,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:59:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:59:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:59:07,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:07,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:59:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:07,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:07,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:07,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:07,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:07,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:07,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:07,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:07,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:07,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:07,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:07,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:59:07,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043699610] [2020-10-15 04:59:07,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:59:07,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:59:07,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377721058] [2020-10-15 04:59:07,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:59:07,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:59:07,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:59:07,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:59:07,802 INFO L87 Difference]: Start difference. First operand 9309 states and 13320 transitions. Second operand 10 states. [2020-10-15 04:59:12,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:59:12,914 INFO L93 Difference]: Finished difference Result 21146 states and 31051 transitions. [2020-10-15 04:59:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 04:59:12,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-10-15 04:59:12,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:59:12,973 INFO L225 Difference]: With dead ends: 21146 [2020-10-15 04:59:12,973 INFO L226 Difference]: Without dead ends: 11861 [2020-10-15 04:59:12,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-15 04:59:13,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11861 states. [2020-10-15 04:59:13,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11861 to 9309. [2020-10-15 04:59:13,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9309 states. [2020-10-15 04:59:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9309 states to 9309 states and 13208 transitions. [2020-10-15 04:59:13,743 INFO L78 Accepts]: Start accepts. Automaton has 9309 states and 13208 transitions. Word has length 150 [2020-10-15 04:59:13,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:59:13,744 INFO L479 AbstractCegarLoop]: Abstraction has 9309 states and 13208 transitions. [2020-10-15 04:59:13,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:59:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 9309 states and 13208 transitions. [2020-10-15 04:59:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:59:13,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:59:13,746 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] [2020-10-15 04:59:13,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 04:59:13,747 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:59:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:59:13,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1472307068, now seen corresponding path program 1 times [2020-10-15 04:59:13,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:59:13,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081552164] [2020-10-15 04:59:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:59:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:13,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:13,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:13,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:13,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:13,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:15,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:15,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:15,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:15,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:15,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:15,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:15,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:15,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:18,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:18,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:59:18,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-15 04:59:18,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 04:59:18,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:18,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:59:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-15 04:59:18,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-15 04:59:18,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:18,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:59:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:18,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:18,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:18,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:18,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:18,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:59:18,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:18,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:18,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:59:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:18,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:18,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:18,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:18,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:18,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:18,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:18,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:18,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:59:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:18,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:18,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:18,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:59:18,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:18,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:18,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:18,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:18,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:18,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:18,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:18,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:18,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:59:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:18,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:18,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:18,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:59:18,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:18,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:59:18,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:18,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:18,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:18,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:18,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:18,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:18,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:59:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:18,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:18,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:18,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:59:18,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:18,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:59:18,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:18,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:18,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:18,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:59:18,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:18,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:59:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:18,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:18,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:18,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:59:19,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:59:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 680 [2020-10-15 04:59:19,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 04:59:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:59:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:19,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:19,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:19,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:19,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:19,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:19,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:59:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:19,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:19,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:19,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:19,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:19,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:19,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:59:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:19,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:19,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:19,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:19,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:19,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:19,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:59:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:19,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:19,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:19,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:19,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:19,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:59:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:19,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:19,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:19,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:19,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:19,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:59:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:19,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:19,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:19,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:19,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:19,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:19,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:59:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:19,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:19,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:19,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:19,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:19,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:59:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:59:19,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:19,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 04:59:19,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:59:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:59:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:59:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:59:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:19,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:19,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:19,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:19,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:19,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:19,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:19,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:19,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:59:19,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081552164] [2020-10-15 04:59:19,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:59:19,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:59:19,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352349800] [2020-10-15 04:59:19,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:59:19,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:59:19,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:59:19,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:59:19,773 INFO L87 Difference]: Start difference. First operand 9309 states and 13208 transitions. Second operand 9 states. [2020-10-15 04:59:29,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:59:29,684 INFO L93 Difference]: Finished difference Result 33616 states and 54167 transitions. [2020-10-15 04:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 04:59:29,685 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2020-10-15 04:59:29,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:59:29,809 INFO L225 Difference]: With dead ends: 33616 [2020-10-15 04:59:29,809 INFO L226 Difference]: Without dead ends: 24333 [2020-10-15 04:59:29,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-15 04:59:29,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24333 states. [2020-10-15 04:59:31,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24333 to 18408. [2020-10-15 04:59:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18408 states. [2020-10-15 04:59:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18408 states to 18408 states and 27211 transitions. [2020-10-15 04:59:31,702 INFO L78 Accepts]: Start accepts. Automaton has 18408 states and 27211 transitions. Word has length 150 [2020-10-15 04:59:31,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:59:31,703 INFO L479 AbstractCegarLoop]: Abstraction has 18408 states and 27211 transitions. [2020-10-15 04:59:31,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:59:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 18408 states and 27211 transitions. [2020-10-15 04:59:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:59:31,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:59:31,706 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] [2020-10-15 04:59:31,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 04:59:31,706 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:59:31,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:59:31,706 INFO L82 PathProgramCache]: Analyzing trace with hash 2121060354, now seen corresponding path program 1 times [2020-10-15 04:59:31,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:59:31,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656953192] [2020-10-15 04:59:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:59:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:31,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:33,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:33,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:33,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:33,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:33,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:33,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:33,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:33,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:36,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:36,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:59:36,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 04:59:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 04:59:36,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:36,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:59:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:59:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 04:59:36,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:36,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:59:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:36,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:36,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:36,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:36,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:36,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:59:36,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:36,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:59:36,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:36,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:59:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:36,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:36,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:36,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:36,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:36,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:59:36,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:36,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:59:36,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:36,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:59:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:36,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:36,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:36,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:59:36,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:36,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:36,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:36,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:59:36,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:36,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:59:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:36,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:36,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:36,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:59:36,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:36,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:59:36,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:36,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:36,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:59:36,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:36,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:59:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:36,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:36,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:36,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:59:36,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:36,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:59:36,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:36,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:36,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:59:36,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:59:36,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:59:36,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:36,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:59:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:36,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:36,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:59:37,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:59:37,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-15 04:59:37,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:59:37,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-15 04:59:37,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:59:37,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:59:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:37,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:37,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:37,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:59:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:37,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:37,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:37,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:37,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:37,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:59:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:37,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:37,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:37,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:37,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:37,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:59:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:37,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:37,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:37,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:37,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:37,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:37,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:59:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:37,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:37,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:37,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:37,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:37,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:59:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:37,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:37,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:37,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:59:37,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:59:37,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:37,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:59:37,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:59:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:37,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:37,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:37,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:37,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:37,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:59:37,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:37,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:59:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:37,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:59:37,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:37,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:59:37,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:59:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:37,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:59:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:37,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:37,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:37,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:37,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:37,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:37,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:37,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:37,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:59:37,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656953192] [2020-10-15 04:59:37,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:59:37,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 04:59:37,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242401135] [2020-10-15 04:59:37,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:59:37,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:59:37,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:59:37,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:59:37,393 INFO L87 Difference]: Start difference. First operand 18408 states and 27211 transitions. Second operand 13 states. [2020-10-15 04:59:43,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:59:43,818 INFO L93 Difference]: Finished difference Result 41058 states and 63480 transitions. [2020-10-15 04:59:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:59:43,818 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 150 [2020-10-15 04:59:43,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:59:43,916 INFO L225 Difference]: With dead ends: 41058 [2020-10-15 04:59:43,917 INFO L226 Difference]: Without dead ends: 22675 [2020-10-15 04:59:43,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-15 04:59:44,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22675 states. [2020-10-15 04:59:45,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22675 to 18748. [2020-10-15 04:59:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18748 states. [2020-10-15 04:59:45,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18748 states to 18748 states and 27342 transitions. [2020-10-15 04:59:45,806 INFO L78 Accepts]: Start accepts. Automaton has 18748 states and 27342 transitions. Word has length 150 [2020-10-15 04:59:45,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:59:45,807 INFO L479 AbstractCegarLoop]: Abstraction has 18748 states and 27342 transitions. [2020-10-15 04:59:45,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:59:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 18748 states and 27342 transitions. [2020-10-15 04:59:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 04:59:45,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:59:45,809 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] [2020-10-15 04:59:45,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 04:59:45,810 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:59:45,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:59:45,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1730991616, now seen corresponding path program 1 times [2020-10-15 04:59:45,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:59:45,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121301076] [2020-10-15 04:59:45,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:59:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:45,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:45,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:45,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:45,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:46,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:46,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:46,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:46,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:46,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:46,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:46,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:50,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:50,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 04:59:50,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-15 04:59:50,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:59:50,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:50,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:59:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:59:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-15 04:59:50,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:50,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:59:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:50,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:50,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:50,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:50,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:50,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:59:50,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:50,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:50,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:50,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:50,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:59:50,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:50,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:59:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:50,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:50,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:50,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:50,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:59:50,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:50,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:59:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:50,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:59:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:50,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:50,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:50,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:59:50,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:50,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:50,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:50,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:50,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:50,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:50,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:59:50,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:50,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:59:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:50,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:50,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:50,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 04:59:50,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:50,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:59:50,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:50,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 04:59:50,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 04:59:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:59:51,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:59:51,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:59:51,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:59:51,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 04:59:51,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 04:59:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 04:59:51,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:59:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 04:59:51,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:59:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-15 04:59:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:59:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:59:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:51,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:51,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:51,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:59:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:51,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:51,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:59:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:51,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:51,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:51,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:51,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:51,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:59:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:51,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:51,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:51,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:59:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:51,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:51,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:51,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:59:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:51,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:51,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:51,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:59:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:51,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:59:51,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:59:51,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:51,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:59:51,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:51,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 04:59:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 04:59:51,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:59:51,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 04:59:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 04:59:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:51,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:51,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:51,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:51,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:51,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:51,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:51,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:51,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:51,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:51,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:51,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:59:51,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121301076] [2020-10-15 04:59:51,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:59:51,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 04:59:51,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307901766] [2020-10-15 04:59:51,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:59:51,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:59:51,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:59:51,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:59:51,322 INFO L87 Difference]: Start difference. First operand 18748 states and 27342 transitions. Second operand 13 states. [2020-10-15 04:59:59,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:59:59,329 INFO L93 Difference]: Finished difference Result 39007 states and 59533 transitions. [2020-10-15 04:59:59,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-15 04:59:59,330 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 150 [2020-10-15 04:59:59,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:59:59,418 INFO L225 Difference]: With dead ends: 39007 [2020-10-15 04:59:59,418 INFO L226 Difference]: Without dead ends: 20285 [2020-10-15 04:59:59,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=337, Invalid=1223, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 04:59:59,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20285 states. [2020-10-15 05:00:01,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20285 to 16142. [2020-10-15 05:00:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16142 states. [2020-10-15 05:00:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16142 states to 16142 states and 23006 transitions. [2020-10-15 05:00:01,215 INFO L78 Accepts]: Start accepts. Automaton has 16142 states and 23006 transitions. Word has length 150 [2020-10-15 05:00:01,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 05:00:01,215 INFO L479 AbstractCegarLoop]: Abstraction has 16142 states and 23006 transitions. [2020-10-15 05:00:01,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 05:00:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 16142 states and 23006 transitions. [2020-10-15 05:00:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 05:00:01,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 05:00:01,217 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] [2020-10-15 05:00:01,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 05:00:01,218 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 05:00:01,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 05:00:01,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1710627324, now seen corresponding path program 1 times [2020-10-15 05:00:01,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 05:00:01,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574160112] [2020-10-15 05:00:01,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 05:00:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:01,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:01,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:01,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:01,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:01,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:01,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:01,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:01,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:01,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:04,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:04,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:04,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:05,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 05:00:06,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-15 05:00:06,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 05:00:06,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 05:00:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 05:00:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-15 05:00:06,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 05:00:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 05:00:06,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 05:00:06,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 05:00:06,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:00:06,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 05:00:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 05:00:06,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 05:00:06,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 05:00:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 05:00:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 05:00:06,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:06,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 05:00:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 05:00:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 05:00:06,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 05:00:06,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 05:00:06,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 05:00:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 05:00:06,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 05:00:06,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:06,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 05:00:06,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 05:00:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 05:00:06,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 05:00:06,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 05:00:06,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 05:00:06,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 05:00:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:06,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:06,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:06,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 05:00:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:06,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:06,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:06,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 05:00:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:06,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:06,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:06,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:06,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 05:00:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:06,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:06,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:06,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:06,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 05:00:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:06,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:06,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:06,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 05:00:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:06,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:06,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:06,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 05:00:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:06,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:06,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 05:00:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 05:00:06,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 05:00:06,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:06,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 05:00:06,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 05:00:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:06,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:06,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:06,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 05:00:06,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:06,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:06,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:06,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 05:00:06,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 05:00:06,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574160112] [2020-10-15 05:00:06,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 05:00:06,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 05:00:06,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089049299] [2020-10-15 05:00:06,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 05:00:06,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 05:00:06,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 05:00:06,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 05:00:06,556 INFO L87 Difference]: Start difference. First operand 16142 states and 23006 transitions. Second operand 7 states. [2020-10-15 05:00:15,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 05:00:15,417 INFO L93 Difference]: Finished difference Result 53981 states and 79868 transitions. [2020-10-15 05:00:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 05:00:15,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2020-10-15 05:00:15,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 05:00:15,538 INFO L225 Difference]: With dead ends: 53981 [2020-10-15 05:00:15,538 INFO L226 Difference]: Without dead ends: 37865 [2020-10-15 05:00:15,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-15 05:00:15,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37865 states. [2020-10-15 05:00:18,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37865 to 31734. [2020-10-15 05:00:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31734 states. [2020-10-15 05:00:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31734 states to 31734 states and 45700 transitions. [2020-10-15 05:00:18,330 INFO L78 Accepts]: Start accepts. Automaton has 31734 states and 45700 transitions. Word has length 150 [2020-10-15 05:00:18,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 05:00:18,331 INFO L479 AbstractCegarLoop]: Abstraction has 31734 states and 45700 transitions. [2020-10-15 05:00:18,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 05:00:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 31734 states and 45700 transitions. [2020-10-15 05:00:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-15 05:00:18,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 05:00:18,337 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 05:00:18,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 05:00:18,337 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 05:00:18,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 05:00:18,338 INFO L82 PathProgramCache]: Analyzing trace with hash -548817148, now seen corresponding path program 1 times [2020-10-15 05:00:18,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 05:00:18,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865121246] [2020-10-15 05:00:18,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 05:00:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:18,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:18,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:19,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:19,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:19,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-15 05:00:23,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-15 05:00:23,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 05:00:23,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 05:00:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 05:00:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-15 05:00:23,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 05:00:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 05:00:23,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 05:00:23,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 05:00:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 05:00:23,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:23,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:23,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 05:00:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 05:00:23,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:23,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:23,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 05:00:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 05:00:23,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 05:00:23,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 05:00:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 05:00:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 05:00:23,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 05:00:23,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 05:00:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 05:00:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 05:00:23,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 05:00:23,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 05:00:23,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 05:00:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 05:00:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-15 05:00:23,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 05:00:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:23,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 05:00:23,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:23,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 05:00:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:23,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 05:00:23,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:23,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 05:00:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:23,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 05:00:23,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:23,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 05:00:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:23,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 05:00:23,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:23,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 05:00:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:23,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 05:00:23,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:23,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 05:00:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:23,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 05:00:23,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:23,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 05:00:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:23,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 05:00:23,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:23,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 05:00:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 05:00:23,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 05:00:23,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 05:00:23,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 05:00:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 05:00:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:23,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:23,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:23,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 05:00:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-15 05:00:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 05:00:23,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:23,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 05:00:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-15 05:00:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:23,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:23,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 05:00:23,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:23,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:23,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:23,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 05:00:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-15 05:00:23,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865121246] [2020-10-15 05:00:23,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 05:00:23,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 05:00:23,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494565547] [2020-10-15 05:00:23,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 05:00:23,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 05:00:23,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 05:00:23,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 05:00:23,775 INFO L87 Difference]: Start difference. First operand 31734 states and 45700 transitions. Second operand 9 states.