/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=BIGGEST --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.09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:11:37,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:11:37,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:11:37,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:11:37,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:11:37,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:11:37,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:11:37,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:11:37,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:11:37,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:11:37,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:11:37,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:11:37,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:11:37,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:11:37,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:11:37,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:11:37,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:11:37,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:11:37,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:11:37,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:11:37,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:11:37,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:11:37,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:11:37,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:11:37,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:11:37,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:11:37,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:11:37,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:11:37,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:11:37,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:11:37,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:11:37,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:11:37,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:11:37,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:11:37,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:11:37,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:11:37,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:11:37,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:11:37,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:11:37,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:11:37,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:11:37,841 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 [2020-10-12 21:11:37,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:11:37,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:11:37,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:11:37,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:11:37,887 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:11:37,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:11:37,887 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:11:37,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:11:37,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:11:37,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:11:37,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:11:37,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:11:37,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:11:37,890 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:11:37,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:11:37,890 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:11:37,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:11:37,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:11:37,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:11:37,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:11:37,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:11:37,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:11:37,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:11:37,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:11:37,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:11:37,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:11:37,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:11:37,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:11:37,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:11:37,893 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:11:38,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:11:38,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:11:38,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:11:38,224 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:11:38,225 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:11:38,226 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.09.cil.c [2020-10-12 21:11:38,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8608df31c/03b28579a28d412eb01e45de1c9115d6/FLAG76866f878 [2020-10-12 21:11:38,833 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:11:38,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.09.cil.c [2020-10-12 21:11:38,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8608df31c/03b28579a28d412eb01e45de1c9115d6/FLAG76866f878 [2020-10-12 21:11:39,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8608df31c/03b28579a28d412eb01e45de1c9115d6 [2020-10-12 21:11:39,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:11:39,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:11:39,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:11:39,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:11:39,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:11:39,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:11:39" (1/1) ... [2020-10-12 21:11:39,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43066f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39, skipping insertion in model container [2020-10-12 21:11:39,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:11:39" (1/1) ... [2020-10-12 21:11:39,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:11:39,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:11:39,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:11:39,610 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:11:39,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:11:39,748 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:11:39,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39 WrapperNode [2020-10-12 21:11:39,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:11:39,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:11:39,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:11:39,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:11:39,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39" (1/1) ... [2020-10-12 21:11:39,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39" (1/1) ... [2020-10-12 21:11:39,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39" (1/1) ... [2020-10-12 21:11:39,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39" (1/1) ... [2020-10-12 21:11:39,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39" (1/1) ... [2020-10-12 21:11:39,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39" (1/1) ... [2020-10-12 21:11:39,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39" (1/1) ... [2020-10-12 21:11:39,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:11:39,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:11:39,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:11:39,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:11:39,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39" (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 [2020-10-12 21:11:39,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:11:39,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:11:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:11:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:11:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:11:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:11:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:11:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:11:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:11:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:11:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-12 21:11:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-12 21:11:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-12 21:11:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:11:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:11:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:11:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:11:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:11:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:11:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:11:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-12 21:11:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-12 21:11:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-12 21:11:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:11:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:11:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:11:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:11:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:11:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:11:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:11:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:11:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:11:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:11:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:11:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:11:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:11:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:11:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:11:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:11:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:11:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:11:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:11:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:11:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:11:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:11:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:11:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:11:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-12 21:11:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-12 21:11:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-12 21:11:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:11:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:11:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:11:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:11:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:11:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:11:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:11:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:11:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-12 21:11:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-12 21:11:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-12 21:11:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:11:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:11:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:11:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:11:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:11:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:11:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:11:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:11:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:11:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:11:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:11:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:11:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:11:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:11:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:11:40,822 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:11:40,822 INFO L295 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-12 21:11:40,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:11:40 BoogieIcfgContainer [2020-10-12 21:11:40,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:11:40,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:11:40,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:11:40,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:11:40,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:11:39" (1/3) ... [2020-10-12 21:11:40,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13271dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:11:40, skipping insertion in model container [2020-10-12 21:11:40,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:39" (2/3) ... [2020-10-12 21:11:40,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13271dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:11:40, skipping insertion in model container [2020-10-12 21:11:40,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:11:40" (3/3) ... [2020-10-12 21:11:40,839 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.09.cil.c [2020-10-12 21:11:40,851 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:11:40,860 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:11:40,874 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:11:40,900 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:11:40,900 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:11:40,900 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:11:40,900 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:11:40,901 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:11:40,901 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:11:40,901 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:11:40,901 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:11:40,927 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states. [2020-10-12 21:11:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 21:11:40,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:40,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:40,950 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:40,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:40,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1492387944, now seen corresponding path program 1 times [2020-10-12 21:11:40,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:40,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883979930] [2020-10-12 21:11:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:41,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:41,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:42,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:42,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 21:11:46,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:11:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-12 21:11:46,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:46,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:46,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:11:46,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:11:46,684 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:11:46,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:46,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 21:11:46,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:46,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:46,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:46,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:11:46,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:46,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:46,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:46,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:46,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:46,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:11:46,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:46,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:11:46,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:11:46,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:46,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:46,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:47,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:47,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:11:47,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:47,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 21:11:47,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:47,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:47,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:47,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:11:47,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:47,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:11:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:47,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:47,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:47,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:47,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:47,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:47,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:11:52,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:11:52,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:11:52,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:11:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:11:52,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:11:52,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:52,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:52,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:52,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:11:52,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:52,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:52,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:11:52,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:52,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:52,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:11:52,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:52,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:11:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:52,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:52,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:52,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:52,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:11:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:52,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:52,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:52,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:11:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:11:52,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:11:52,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:11:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:11:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:52,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:52,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:52,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:52,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:52,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:52,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:52,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:52,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:52,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:52,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:52,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883979930] [2020-10-12 21:11:52,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:52,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:11:52,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357642292] [2020-10-12 21:11:52,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:11:52,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:52,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:11:52,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:11:52,451 INFO L87 Difference]: Start difference. First operand 379 states. Second operand 12 states. [2020-10-12 21:11:52,701 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:11:54,491 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:11:54,694 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:11:54,881 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:11:55,162 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:12:00,097 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 21:12:01,059 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 21:12:01,242 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 21:12:01,421 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 21:12:01,594 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-12 21:12:01,766 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 21:12:02,058 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 21:12:02,325 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 21:12:02,571 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 21:12:09,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:09,864 INFO L93 Difference]: Finished difference Result 1955 states and 3276 transitions. [2020-10-12 21:12:09,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 21:12:09,866 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 195 [2020-10-12 21:12:09,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:09,902 INFO L225 Difference]: With dead ends: 1955 [2020-10-12 21:12:09,902 INFO L226 Difference]: Without dead ends: 1584 [2020-10-12 21:12:09,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=354, Invalid=1452, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 21:12:09,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2020-10-12 21:12:10,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1014. [2020-10-12 21:12:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2020-10-12 21:12:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1455 transitions. [2020-10-12 21:12:10,197 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1455 transitions. Word has length 195 [2020-10-12 21:12:10,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:10,198 INFO L479 AbstractCegarLoop]: Abstraction has 1014 states and 1455 transitions. [2020-10-12 21:12:10,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:12:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1455 transitions. [2020-10-12 21:12:10,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 21:12:10,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:10,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:12:10,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:12:10,205 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:10,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:10,206 INFO L82 PathProgramCache]: Analyzing trace with hash -433648490, now seen corresponding path program 1 times [2020-10-12 21:12:10,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:10,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844699329] [2020-10-12 21:12:10,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:10,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:10,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:10,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:10,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:10,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:13,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:15,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 21:12:15,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:12:15,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:12:15,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:12:15,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:15,427 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:12:15,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:15,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:15,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:15,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:15,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:12:15,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:15,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:15,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:15,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:15,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:15,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:15,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:15,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:15,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:15,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:15,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:15,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:15,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:15,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:15,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:15,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:15,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:15,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:15,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:15,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:15,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:15,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:12:15,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:15,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:12:15,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:12:15,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:15,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:15,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:15,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:12:15,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:15,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 21:12:15,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:12:15,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:15,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:12:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:15,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:15,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:19,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:12:20,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:12:20,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:12:20,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:12:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:20,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:12:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:12:20,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:20,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:12:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:20,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:12:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:12:20,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:12:20,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:12:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:12:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:20,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:20,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:20,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:20,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:20,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:20,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:20,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:20,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844699329] [2020-10-12 21:12:20,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:20,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:12:20,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350945014] [2020-10-12 21:12:20,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:12:20,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:20,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:12:20,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:12:20,907 INFO L87 Difference]: Start difference. First operand 1014 states and 1455 transitions. Second operand 13 states. [2020-10-12 21:12:21,172 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:12:23,208 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:12:23,376 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 21:12:23,580 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:12:23,843 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:12:28,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:28,070 INFO L93 Difference]: Finished difference Result 2527 states and 3885 transitions. [2020-10-12 21:12:28,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:12:28,071 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2020-10-12 21:12:28,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:28,091 INFO L225 Difference]: With dead ends: 2527 [2020-10-12 21:12:28,092 INFO L226 Difference]: Without dead ends: 1540 [2020-10-12 21:12:28,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:12:28,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2020-10-12 21:12:28,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1029. [2020-10-12 21:12:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2020-10-12 21:12:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1463 transitions. [2020-10-12 21:12:28,281 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1463 transitions. Word has length 195 [2020-10-12 21:12:28,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:28,282 INFO L479 AbstractCegarLoop]: Abstraction has 1029 states and 1463 transitions. [2020-10-12 21:12:28,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:12:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1463 transitions. [2020-10-12 21:12:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 21:12:28,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:28,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:12:28,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:12:28,289 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:28,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:28,290 INFO L82 PathProgramCache]: Analyzing trace with hash -636491372, now seen corresponding path program 1 times [2020-10-12 21:12:28,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:28,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838787417] [2020-10-12 21:12:28,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:28,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:28,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:28,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:28,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:28,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:28,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:33,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 21:12:33,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:12:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:12:33,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:12:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:33,526 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:12:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:33,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:33,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:33,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:12:33,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:33,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:33,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:33,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:33,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:33,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:33,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:33,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:33,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:33,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:33,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:33,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:33,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:33,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:33,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:33,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:33,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:33,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:33,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 59 [2020-10-12 21:12:33,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:33,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:33,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:12:33,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:33,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:12:33,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:33,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:33,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:12:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:33,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:33,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:33,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:12:33,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:12:33,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:12:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:33,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:12:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:33,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:12:38,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:12:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:12:38,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:12:38,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:38,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:38,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:38,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:38,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:38,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:38,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:38,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:38,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:38,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:12:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:38,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:38,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:38,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:12:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:38,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:38,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:12:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:12:38,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:38,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:12:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:12:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:38,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:38,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:38,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:38,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:38,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:38,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:39,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838787417] [2020-10-12 21:12:39,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:39,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:12:39,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399643987] [2020-10-12 21:12:39,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:12:39,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:39,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:12:39,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:12:39,033 INFO L87 Difference]: Start difference. First operand 1029 states and 1463 transitions. Second operand 13 states. [2020-10-12 21:12:39,193 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:12:40,447 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:12:40,618 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 21:12:40,889 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:12:41,159 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:12:46,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:46,326 INFO L93 Difference]: Finished difference Result 2629 states and 4013 transitions. [2020-10-12 21:12:46,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:12:46,326 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2020-10-12 21:12:46,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:46,339 INFO L225 Difference]: With dead ends: 2629 [2020-10-12 21:12:46,340 INFO L226 Difference]: Without dead ends: 1627 [2020-10-12 21:12:46,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:12:46,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2020-10-12 21:12:46,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1044. [2020-10-12 21:12:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2020-10-12 21:12:46,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1471 transitions. [2020-10-12 21:12:46,506 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1471 transitions. Word has length 195 [2020-10-12 21:12:46,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:46,507 INFO L479 AbstractCegarLoop]: Abstraction has 1044 states and 1471 transitions. [2020-10-12 21:12:46,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:12:46,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1471 transitions. [2020-10-12 21:12:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 21:12:46,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:46,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:12:46,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:12:46,511 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:46,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:46,511 INFO L82 PathProgramCache]: Analyzing trace with hash 2081941658, now seen corresponding path program 1 times [2020-10-12 21:12:46,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:46,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960489155] [2020-10-12 21:12:46,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:46,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:46,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:46,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:46,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:46,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 21:12:51,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:12:51,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:12:51,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:51,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:51,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 21:12:51,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:51,716 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:12:51,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:51,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:12:51,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:51,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:51,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:51,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:51,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:51,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:51,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:51,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:51,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:51,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:12:51,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:12:51,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:51,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:51,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:12:51,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:51,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:51,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:12:51,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:51,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:12:51,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:51,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:51,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:51,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:12:51,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:12:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:51,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:51,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:52,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:12:54,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:12:54,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2733 [2020-10-12 21:12:54,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:54,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:12:54,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:12:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:12:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:12:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:12:54,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:54,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:12:54,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:12:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:54,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:54,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:12:54,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960489155] [2020-10-12 21:12:54,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:54,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:12:54,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216930553] [2020-10-12 21:12:54,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:12:54,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:54,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:12:54,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:12:54,927 INFO L87 Difference]: Start difference. First operand 1044 states and 1471 transitions. Second operand 13 states. [2020-10-12 21:12:55,128 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:12:56,282 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:12:56,467 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:12:56,651 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:12:56,827 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 21:13:02,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:02,546 INFO L93 Difference]: Finished difference Result 2594 states and 3885 transitions. [2020-10-12 21:13:02,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:13:02,547 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2020-10-12 21:13:02,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:02,557 INFO L225 Difference]: With dead ends: 2594 [2020-10-12 21:13:02,558 INFO L226 Difference]: Without dead ends: 1577 [2020-10-12 21:13:02,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:13:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2020-10-12 21:13:02,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1049. [2020-10-12 21:13:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2020-10-12 21:13:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1467 transitions. [2020-10-12 21:13:02,717 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1467 transitions. Word has length 195 [2020-10-12 21:13:02,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:02,718 INFO L479 AbstractCegarLoop]: Abstraction has 1049 states and 1467 transitions. [2020-10-12 21:13:02,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1467 transitions. [2020-10-12 21:13:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 21:13:02,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:02,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:13:02,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:13:02,723 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:02,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:02,723 INFO L82 PathProgramCache]: Analyzing trace with hash 645509528, now seen corresponding path program 1 times [2020-10-12 21:13:02,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:02,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017792645] [2020-10-12 21:13:02,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:03,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:04,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:07,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 21:13:07,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 21:13:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:13:07,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:13:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:07,952 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:13:07,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:07,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:07,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:07,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:07,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:13:07,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:08,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:08,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:13:08,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:08,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:08,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:08,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:08,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:13:08,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:13:08,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:13:08,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:13:08,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:13:08,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:13:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:13:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:13:08,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:13:08,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-12 21:13:08,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-12 21:13:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:08,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:08,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:08,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:08,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:08,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:08,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:08,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:08,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:13:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:13:08,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:13:08,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:13:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:13:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:08,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:08,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:08,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:08,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:08,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:08,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:13:08,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017792645] [2020-10-12 21:13:08,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:08,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:13:08,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882558338] [2020-10-12 21:13:08,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:13:08,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:08,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:13:08,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:13:08,875 INFO L87 Difference]: Start difference. First operand 1049 states and 1467 transitions. Second operand 13 states. [2020-10-12 21:13:09,040 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:13:10,999 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:13:11,183 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:13:11,450 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:13:11,712 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:13:14,409 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 21:13:14,578 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 21:13:14,828 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 21:13:15,080 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 21:13:19,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:19,341 INFO L93 Difference]: Finished difference Result 3212 states and 4886 transitions. [2020-10-12 21:13:19,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:13:19,342 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2020-10-12 21:13:19,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:19,362 INFO L225 Difference]: With dead ends: 3212 [2020-10-12 21:13:19,362 INFO L226 Difference]: Without dead ends: 2190 [2020-10-12 21:13:19,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:13:19,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2020-10-12 21:13:19,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 1432. [2020-10-12 21:13:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states. [2020-10-12 21:13:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1923 transitions. [2020-10-12 21:13:19,782 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1923 transitions. Word has length 195 [2020-10-12 21:13:19,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:19,782 INFO L479 AbstractCegarLoop]: Abstraction has 1432 states and 1923 transitions. [2020-10-12 21:13:19,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1923 transitions. [2020-10-12 21:13:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 21:13:19,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:19,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:13:19,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:13:19,787 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:19,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:19,788 INFO L82 PathProgramCache]: Analyzing trace with hash -2093310246, now seen corresponding path program 1 times [2020-10-12 21:13:19,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:19,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502034344] [2020-10-12 21:13:19,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:19,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:19,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:24,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:24,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 21:13:24,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 21:13:24,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:13:24,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 21:13:24,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:24,984 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:13:24,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:24,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:25,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:13:25,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:25,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:25,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:25,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:25,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:25,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:25,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:25,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:25,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:25,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:13:25,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:25,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:13:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:13:25,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:13:25,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:25,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:25,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:13:25,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:13:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:13:25,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:13:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-12 21:13:25,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:13:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:25,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:25,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:25,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:25,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:25,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:25,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:25,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:25,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:25,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:25,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:25,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:25,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:25,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:25,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:25,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:13:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:13:25,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:25,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:13:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:13:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:25,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:25,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:25,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:25,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:25,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:13:25,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502034344] [2020-10-12 21:13:25,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:25,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:13:25,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269602977] [2020-10-12 21:13:25,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:13:25,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:25,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:13:25,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:13:25,530 INFO L87 Difference]: Start difference. First operand 1432 states and 1923 transitions. Second operand 13 states. [2020-10-12 21:13:25,689 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:13:26,763 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:13:26,929 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 21:13:27,101 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:13:27,278 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:13:30,419 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 21:13:30,578 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 21:13:30,739 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 21:13:30,952 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 21:13:35,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:35,368 INFO L93 Difference]: Finished difference Result 4367 states and 6401 transitions. [2020-10-12 21:13:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:13:35,369 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2020-10-12 21:13:35,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:35,388 INFO L225 Difference]: With dead ends: 4367 [2020-10-12 21:13:35,388 INFO L226 Difference]: Without dead ends: 2962 [2020-10-12 21:13:35,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:13:35,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2020-10-12 21:13:35,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 1845. [2020-10-12 21:13:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1845 states. [2020-10-12 21:13:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1845 states and 2403 transitions. [2020-10-12 21:13:35,679 INFO L78 Accepts]: Start accepts. Automaton has 1845 states and 2403 transitions. Word has length 195 [2020-10-12 21:13:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:35,679 INFO L479 AbstractCegarLoop]: Abstraction has 1845 states and 2403 transitions. [2020-10-12 21:13:35,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:35,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2403 transitions. [2020-10-12 21:13:35,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 21:13:35,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:35,683 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:13:35,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:13:35,683 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:35,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:35,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1581988979, now seen corresponding path program 1 times [2020-10-12 21:13:35,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:35,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993351153] [2020-10-12 21:13:35,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:35,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:35,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:35,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:35,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:36,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:40,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:40,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 21:13:40,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 21:13:40,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 21:13:40,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:40,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:40,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:40,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:13:40,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:40,886 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:13:40,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:40,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:40,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:40,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:40,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:13:40,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:40,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:40,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:40,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:40,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:40,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:40,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:40,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:40,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:40,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:40,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:40,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:40,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:40,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:40,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:40,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:40,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:40,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:40,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:13:40,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:40,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:40,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:13:40,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:13:41,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:13:41,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:13:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:13:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:13:41,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:13:41,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 21:13:41,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:13:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:41,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:41,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:41,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:41,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:41,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:41,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:41,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:41,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:41,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:41,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:41,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:41,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:41,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:41,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:41,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:41,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:41,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:41,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:41,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:13:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:13:41,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:41,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:13:41,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:13:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:41,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:41,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:41,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:41,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:41,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:13:41,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993351153] [2020-10-12 21:13:41,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:41,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:13:41,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773237113] [2020-10-12 21:13:41,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:13:41,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:41,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:13:41,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:13:41,400 INFO L87 Difference]: Start difference. First operand 1845 states and 2403 transitions. Second operand 13 states. [2020-10-12 21:13:41,574 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:13:42,928 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:13:43,109 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:13:43,397 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:13:43,664 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:13:48,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:48,705 INFO L93 Difference]: Finished difference Result 4480 states and 6202 transitions. [2020-10-12 21:13:48,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:13:48,705 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2020-10-12 21:13:48,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:48,723 INFO L225 Difference]: With dead ends: 4480 [2020-10-12 21:13:48,723 INFO L226 Difference]: Without dead ends: 2662 [2020-10-12 21:13:48,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:13:48,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2020-10-12 21:13:49,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 1860. [2020-10-12 21:13:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1860 states. [2020-10-12 21:13:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2405 transitions. [2020-10-12 21:13:49,014 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2405 transitions. Word has length 195 [2020-10-12 21:13:49,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:49,015 INFO L479 AbstractCegarLoop]: Abstraction has 1860 states and 2405 transitions. [2020-10-12 21:13:49,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2405 transitions. [2020-10-12 21:13:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 21:13:49,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:49,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:13:49,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:13:49,018 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:49,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:49,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1906179125, now seen corresponding path program 1 times [2020-10-12 21:13:49,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:49,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839274891] [2020-10-12 21:13:49,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:49,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:49,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 21:13:54,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 21:13:54,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 21:13:54,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 21:13:54,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,202 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:13:54,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:54,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:13:54,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:54,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:54,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:54,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:54,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:54,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:54,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:54,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:13:54,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:54,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:13:54,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:13:54,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:13:54,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:13:54,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:13:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:13:54,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:13:54,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 21:13:54,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:13:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:54,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:54,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:54,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:54,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:54,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:54,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:54,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:54,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:54,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:54,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:54,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:54,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:54,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:54,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:54,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:13:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:13:54,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:54,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:13:54,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:13:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:54,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:54,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:54,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:54,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:54,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:54,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:13:54,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839274891] [2020-10-12 21:13:54,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:54,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:13:54,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883736785] [2020-10-12 21:13:54,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:13:54,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:54,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:13:54,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:13:54,620 INFO L87 Difference]: Start difference. First operand 1860 states and 2405 transitions. Second operand 13 states. [2020-10-12 21:13:54,785 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:13:56,263 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:13:56,445 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:13:56,721 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:13:56,991 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 21:13:59,698 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 21:13:59,870 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 21:14:00,040 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 21:14:00,304 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 21:14:02,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:02,951 INFO L93 Difference]: Finished difference Result 5124 states and 7063 transitions. [2020-10-12 21:14:02,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:14:02,952 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2020-10-12 21:14:02,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:02,967 INFO L225 Difference]: With dead ends: 5124 [2020-10-12 21:14:02,967 INFO L226 Difference]: Without dead ends: 3291 [2020-10-12 21:14:02,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:14:02,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3291 states. [2020-10-12 21:14:03,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3291 to 2258. [2020-10-12 21:14:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2258 states. [2020-10-12 21:14:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 2258 states and 2852 transitions. [2020-10-12 21:14:03,377 INFO L78 Accepts]: Start accepts. Automaton has 2258 states and 2852 transitions. Word has length 195 [2020-10-12 21:14:03,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:03,377 INFO L479 AbstractCegarLoop]: Abstraction has 2258 states and 2852 transitions. [2020-10-12 21:14:03,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:14:03,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2852 transitions. [2020-10-12 21:14:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 21:14:03,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:03,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:14:03,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:14:03,380 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:03,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:03,380 INFO L82 PathProgramCache]: Analyzing trace with hash 858453171, now seen corresponding path program 1 times [2020-10-12 21:14:03,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:03,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072903176] [2020-10-12 21:14:03,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:03,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:03,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:06,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:06,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:06,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 21:14:08,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 21:14:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:14:08,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:14:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 234 [2020-10-12 21:14:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:14:08,592 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:14:08,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:08,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:14:08,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:08,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:08,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:08,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:08,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:08,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:08,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:08,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:08,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:14:08,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:08,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:14:08,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:14:08,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:14:08,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:08,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:14:08,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:14:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:14:08,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:14:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 21:14:08,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 21:14:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:08,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:08,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:08,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:08,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:08,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:08,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:08,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:08,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:08,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:08,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:08,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:08,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:08,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:08,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:08,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:08,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:14:08,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:14:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:14:08,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:14:08,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:14:08,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:14:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:08,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:08,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:08,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:08,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:08,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:08,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:14:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:14:08,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072903176] [2020-10-12 21:14:08,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:08,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 21:14:08,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081476471] [2020-10-12 21:14:08,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 21:14:08,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:08,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 21:14:08,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 21:14:08,884 INFO L87 Difference]: Start difference. First operand 2258 states and 2852 transitions. Second operand 8 states. [2020-10-12 21:14:09,053 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:14:12,270 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 21:14:21,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:21,271 INFO L93 Difference]: Finished difference Result 11363 states and 15588 transitions. [2020-10-12 21:14:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:14:21,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 195 [2020-10-12 21:14:21,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:21,310 INFO L225 Difference]: With dead ends: 11363 [2020-10-12 21:14:21,310 INFO L226 Difference]: Without dead ends: 9133 [2020-10-12 21:14:21,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:14:21,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9133 states. [2020-10-12 21:14:22,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9133 to 6817. [2020-10-12 21:14:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6817 states. [2020-10-12 21:14:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6817 states to 6817 states and 8777 transitions. [2020-10-12 21:14:22,116 INFO L78 Accepts]: Start accepts. Automaton has 6817 states and 8777 transitions. Word has length 195 [2020-10-12 21:14:22,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:22,117 INFO L479 AbstractCegarLoop]: Abstraction has 6817 states and 8777 transitions. [2020-10-12 21:14:22,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 21:14:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 6817 states and 8777 transitions. [2020-10-12 21:14:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-12 21:14:22,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:22,120 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:14:22,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:14:22,120 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:22,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:22,121 INFO L82 PathProgramCache]: Analyzing trace with hash -158999300, now seen corresponding path program 1 times [2020-10-12 21:14:22,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:22,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017926306] [2020-10-12 21:14:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:22,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:22,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-12 21:14:27,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-12 21:14:27,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:14:27,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:14:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 21:14:27,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,313 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:14:27,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:27,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:14:27,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:27,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:27,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:27,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:27,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:27,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:27,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:27,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:14:27,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:14:27,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:14:27,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:14:27,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:14:27,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:14:27,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:14:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:14:27,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:14:27,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 21:14:27,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:27,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:27,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:27,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:27,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:27,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:27,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:27,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:27,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:27,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:27,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:27,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:14:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:14:27,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:27,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:14:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:14:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:27,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:27,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 21:14:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:27,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:27,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:27,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 21:14:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:27,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:27,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:27,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:27,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:27,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:27,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:27,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 21:14:27,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017926306] [2020-10-12 21:14:27,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:27,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:14:27,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492637886] [2020-10-12 21:14:27,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:14:27,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:27,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:14:27,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:14:27,623 INFO L87 Difference]: Start difference. First operand 6817 states and 8777 transitions. Second operand 11 states. [2020-10-12 21:14:27,797 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-12 21:14:30,377 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 21:14:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:39,471 INFO L93 Difference]: Finished difference Result 24883 states and 34693 transitions. [2020-10-12 21:14:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 21:14:39,472 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 221 [2020-10-12 21:14:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:39,541 INFO L225 Difference]: With dead ends: 24883 [2020-10-12 21:14:39,541 INFO L226 Difference]: Without dead ends: 18093 [2020-10-12 21:14:39,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:14:39,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18093 states. [2020-10-12 21:14:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18093 to 13868. [2020-10-12 21:14:41,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13868 states. [2020-10-12 21:14:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13868 states to 13868 states and 18428 transitions. [2020-10-12 21:14:41,395 INFO L78 Accepts]: Start accepts. Automaton has 13868 states and 18428 transitions. Word has length 221 [2020-10-12 21:14:41,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:41,396 INFO L479 AbstractCegarLoop]: Abstraction has 13868 states and 18428 transitions. [2020-10-12 21:14:41,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:14:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 13868 states and 18428 transitions. [2020-10-12 21:14:41,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-12 21:14:41,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:41,399 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:14:41,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:14:41,399 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:41,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:41,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2126686716, now seen corresponding path program 1 times [2020-10-12 21:14:41,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:41,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272601692] [2020-10-12 21:14:41,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:41,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:41,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:42,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:42,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:44,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:44,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:44,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-12 21:14:46,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 21:14:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:14:46,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:14:46,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:46,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 21:14:46,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,588 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:14:46,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:46,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:14:46,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:46,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:46,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:46,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:46,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:46,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:14:46,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:46,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:46,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:14:46,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:14:46,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:14:46,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:46,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:46,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:14:46,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:14:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:14:46,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:14:46,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 21:14:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:46,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:46,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:14:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:14:46,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:46,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:14:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:14:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:46,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 21:14:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:46,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:46,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 21:14:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:46,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:46,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:46,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:46,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:46,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 21:14:46,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272601692] [2020-10-12 21:14:46,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:46,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:14:46,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501545647] [2020-10-12 21:14:46,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:14:46,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:46,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:14:46,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:14:46,883 INFO L87 Difference]: Start difference. First operand 13868 states and 18428 transitions. Second operand 11 states. [2020-10-12 21:14:47,056 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:14:54,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:54,420 INFO L93 Difference]: Finished difference Result 31913 states and 43494 transitions. [2020-10-12 21:14:54,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 21:14:54,421 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 221 [2020-10-12 21:14:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:54,493 INFO L225 Difference]: With dead ends: 31913 [2020-10-12 21:14:54,493 INFO L226 Difference]: Without dead ends: 18072 [2020-10-12 21:14:54,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:14:54,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18072 states. [2020-10-12 21:14:56,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18072 to 13868. [2020-10-12 21:14:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13868 states. [2020-10-12 21:14:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13868 states to 13868 states and 18386 transitions. [2020-10-12 21:14:56,353 INFO L78 Accepts]: Start accepts. Automaton has 13868 states and 18386 transitions. Word has length 221 [2020-10-12 21:14:56,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:56,353 INFO L479 AbstractCegarLoop]: Abstraction has 13868 states and 18386 transitions. [2020-10-12 21:14:56,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:14:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 13868 states and 18386 transitions. [2020-10-12 21:14:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-12 21:14:56,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:56,356 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:14:56,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:14:56,356 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:56,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:56,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1667655432, now seen corresponding path program 1 times [2020-10-12 21:14:56,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:56,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112803230] [2020-10-12 21:14:56,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:57,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:57,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:57,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:58,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:58,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:58,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:58,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:58,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-12 21:15:01,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 21:15:01,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:15:01,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:15:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:15:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:15:01,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,539 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:15:01,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:15:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:01,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:15:01,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:15:01,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:15:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:01,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:01,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:15:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:15:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:15:01,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:01,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:15:01,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:15:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:15:01,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:15:01,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:15:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:15:01,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:15:01,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:01,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:15:01,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:15:01,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:15:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:15:01,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:15:01,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 21:15:01,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:15:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:15:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:15:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:15:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:15:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:01,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:15:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:15:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:15:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:15:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:15:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:15:01,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:15:01,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:15:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:15:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:01,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:01,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 21:15:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:01,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:01,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 21:15:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:01,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 21:15:01,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112803230] [2020-10-12 21:15:01,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:15:01,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:15:01,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411010091] [2020-10-12 21:15:01,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:15:01,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:15:01,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:15:01,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:15:01,846 INFO L87 Difference]: Start difference. First operand 13868 states and 18386 transitions. Second operand 11 states. [2020-10-12 21:15:02,004 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:15:04,463 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 21:15:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:15:11,365 INFO L93 Difference]: Finished difference Result 35955 states and 51960 transitions. [2020-10-12 21:15:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 21:15:11,366 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 221 [2020-10-12 21:15:11,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:15:11,461 INFO L225 Difference]: With dead ends: 35955 [2020-10-12 21:15:11,461 INFO L226 Difference]: Without dead ends: 22114 [2020-10-12 21:15:11,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:15:11,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22114 states. [2020-10-12 21:15:14,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22114 to 16064. [2020-10-12 21:15:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16064 states. [2020-10-12 21:15:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16064 states to 16064 states and 20842 transitions. [2020-10-12 21:15:14,152 INFO L78 Accepts]: Start accepts. Automaton has 16064 states and 20842 transitions. Word has length 221 [2020-10-12 21:15:14,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:15:14,152 INFO L479 AbstractCegarLoop]: Abstraction has 16064 states and 20842 transitions. [2020-10-12 21:15:14,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:15:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 16064 states and 20842 transitions. [2020-10-12 21:15:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-12 21:15:14,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:15:14,156 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:15:14,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:15:14,156 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:15:14,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:15:14,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1237601059, now seen corresponding path program 1 times [2020-10-12 21:15:14,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:15:14,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247617248] [2020-10-12 21:15:14,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:15:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:14,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:14,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:14,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:14,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:14,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:14,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:15,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:15,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:15,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:16,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:16,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:16,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:16,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-12 21:15:19,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:15:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:15:19,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:15:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:15:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:15:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,332 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 21:15:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:15:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:19,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:15:19,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:15:19,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:15:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:19,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:19,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:19,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:15:19,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:15:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:15:19,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:15:19,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:15:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:15:19,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:15:19,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:15:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:15:19,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:15:19,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:15:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 21:15:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 21:15:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:15:19,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:15:19,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 21:15:19,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:15:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-12 21:15:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:15:19,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:15:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:19,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:15:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:15:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:15:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:15:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:15:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:15:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:19,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:15:19,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:15:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:19,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:15:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:19,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:15:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 21:15:19,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:15:19,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 21:15:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:15:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:19,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 21:15:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:19,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:19,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 21:15:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:19,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:19,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:19,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:19,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:19,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:19,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:19,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 21:15:19,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247617248] [2020-10-12 21:15:19,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:15:19,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:15:19,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447948623] [2020-10-12 21:15:19,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:15:19,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:15:19,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:15:19,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:15:19,739 INFO L87 Difference]: Start difference. First operand 16064 states and 20842 transitions. Second operand 14 states. [2020-10-12 21:15:19,923 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 21:15:21,606 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 153