/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:20:18,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:20:18,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:20:18,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:20:18,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:20:18,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:20:18,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:20:18,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:20:18,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:20:18,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:20:18,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:20:18,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:20:18,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:20:18,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:20:18,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:20:18,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:20:18,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:20:18,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:20:18,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:20:18,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:20:18,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:20:18,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:20:18,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:20:18,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:20:18,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:20:18,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:20:18,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:20:18,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:20:18,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:20:18,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:20:18,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:20:18,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:20:18,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:20:18,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:20:18,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:20:18,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:20:18,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:20:18,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:20:18,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:20:18,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:20:18,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:20:18,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 10:20:18,924 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:20:18,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:20:18,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:20:18,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:20:18,926 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:20:18,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:20:18,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:20:18,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:20:18,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:20:18,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:20:18,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:20:18,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:20:18,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:20:18,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:20:18,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:20:18,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:20:18,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:20:18,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:20:18,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:20:18,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:20:18,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:20:18,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:20:18,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:20:18,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:20:18,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:20:18,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:20:18,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:20:18,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:20:18,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:20:18,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:20:19,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:20:19,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:20:19,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:20:19,313 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:20:19,313 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:20:19,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.05.cil.c [2020-10-14 10:20:19,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77cfdb4a7/537e929e07534c388682dc46999c76cc/FLAG0d55c9ede [2020-10-14 10:20:19,898 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:20:19,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.05.cil.c [2020-10-14 10:20:19,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77cfdb4a7/537e929e07534c388682dc46999c76cc/FLAG0d55c9ede [2020-10-14 10:20:20,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77cfdb4a7/537e929e07534c388682dc46999c76cc [2020-10-14 10:20:20,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:20:20,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:20:20,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:20:20,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:20:20,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:20:20,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:20:20" (1/1) ... [2020-10-14 10:20:20,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ed318b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20, skipping insertion in model container [2020-10-14 10:20:20,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:20:20" (1/1) ... [2020-10-14 10:20:20,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:20:20,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:20:20,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:20:20,614 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:20:20,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:20:20,789 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:20:20,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20 WrapperNode [2020-10-14 10:20:20,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:20:20,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:20:20,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:20:20,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:20:20,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20" (1/1) ... [2020-10-14 10:20:20,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20" (1/1) ... [2020-10-14 10:20:20,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20" (1/1) ... [2020-10-14 10:20:20,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20" (1/1) ... [2020-10-14 10:20:20,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20" (1/1) ... [2020-10-14 10:20:20,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20" (1/1) ... [2020-10-14 10:20:20,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20" (1/1) ... [2020-10-14 10:20:20,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:20:20,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:20:20,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:20:20,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:20:20,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:20:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:20:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:20:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-14 10:20:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-14 10:20:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-14 10:20:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-14 10:20:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-14 10:20:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-14 10:20:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-14 10:20:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-14 10:20:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-14 10:20:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-14 10:20:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-14 10:20:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-14 10:20:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-14 10:20:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-14 10:20:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-14 10:20:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-14 10:20:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-14 10:20:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-14 10:20:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-14 10:20:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-14 10:20:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-14 10:20:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-14 10:20:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-14 10:20:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-14 10:20:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-14 10:20:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-14 10:20:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:20:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:20:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:20:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-14 10:20:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-14 10:20:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-14 10:20:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-14 10:20:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-14 10:20:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-14 10:20:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-14 10:20:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-14 10:20:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-14 10:20:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-14 10:20:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-14 10:20:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-14 10:20:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-14 10:20:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-14 10:20:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-14 10:20:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-14 10:20:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-14 10:20:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-14 10:20:20,959 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-14 10:20:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-14 10:20:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-14 10:20:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-14 10:20:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-14 10:20:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-14 10:20:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-14 10:20:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-14 10:20:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:20:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:20:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:20:21,628 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:20:21,629 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-14 10:20:21,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:20:21 BoogieIcfgContainer [2020-10-14 10:20:21,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:20:21,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:20:21,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:20:21,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:20:21,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:20:20" (1/3) ... [2020-10-14 10:20:21,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d95eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:20:21, skipping insertion in model container [2020-10-14 10:20:21,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:20" (2/3) ... [2020-10-14 10:20:21,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d95eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:20:21, skipping insertion in model container [2020-10-14 10:20:21,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:20:21" (3/3) ... [2020-10-14 10:20:21,643 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.05.cil.c [2020-10-14 10:20:21,655 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:20:21,663 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:20:21,678 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:20:21,708 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:20:21,708 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:20:21,708 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:20:21,709 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:20:21,709 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:20:21,710 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:20:21,710 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:20:21,710 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:20:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states. [2020-10-14 10:20:21,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:20:21,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:20:21,759 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] [2020-10-14 10:20:21,760 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:20:21,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:20:21,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1433392200, now seen corresponding path program 1 times [2020-10-14 10:20:21,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:20:21,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188188189] [2020-10-14 10:20:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:20:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:22,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:22,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:22,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:22,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:22,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:22,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:22,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:23,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:23,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:23,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:23,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:23,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:23,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:24,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:27,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:27,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:20:27,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-14 10:20:27,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5097 [2020-10-14 10:20:27,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:27,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:20:27,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:20:27,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 10:20:27,362 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-14 10:20:27,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:20:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:27,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:27,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:27,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:27,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:27,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 10:20:27,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:27,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:27,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:27,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:27,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:20:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:27,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:27,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:27,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:27,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:27,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:20:27,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:27,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:27,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:27,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:20:27,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:20:27,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:20:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:27,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:27,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:27,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:20:27,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:27,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:20:27,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:27,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:27,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:27,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:20:27,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:27,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:20:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:27,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:27,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:27,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:20:27,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:27,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:20:27,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:27,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 10:20:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:20:27,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:27,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:20:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:27,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:27,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:27,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:20:27,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:20:27,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:27,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:20:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:27,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:20:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:27,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:27,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:27,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:28,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:28,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:20:28,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:20:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 875 [2020-10-14 10:20:28,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:28,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 10:20:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:20:28,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:20:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:28,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:28,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:28,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:28,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:20:28,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:28,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:20:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:28,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:28,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:28,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:28,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:28,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:28,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:28,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:28,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:28,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:28,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:20:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:28,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:28,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:28,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:28,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:28,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:20:28,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:28,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:28,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:28,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:28,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:20:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:28,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:28,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:28,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:20:28,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:28,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:28,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:20:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:28,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:28,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:28,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:28,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:28,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:28,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:28,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:28,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:28,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:28,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:28,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:20:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:28,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:28,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:28,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:28,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:28,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:28,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:28,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:28,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:28,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:20:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:28,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:28,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:28,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:20:28,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:28,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:20:28,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:28,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:20:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:28,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:28,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:20:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:28,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:28,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:28,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:20:28,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:20:28,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:28,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:20:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:20:28,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188188189] [2020-10-14 10:20:28,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:20:28,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:20:28,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114361221] [2020-10-14 10:20:28,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:20:28,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:20:28,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:20:28,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:20:28,650 INFO L87 Difference]: Start difference. First operand 259 states. Second operand 8 states. [2020-10-14 10:20:31,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:20:31,978 INFO L93 Difference]: Finished difference Result 654 states and 1038 transitions. [2020-10-14 10:20:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:20:31,987 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2020-10-14 10:20:31,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:20:32,008 INFO L225 Difference]: With dead ends: 654 [2020-10-14 10:20:32,008 INFO L226 Difference]: Without dead ends: 400 [2020-10-14 10:20:32,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 10:20:32,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-10-14 10:20:32,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 250. [2020-10-14 10:20:32,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-14 10:20:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 350 transitions. [2020-10-14 10:20:32,138 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 350 transitions. Word has length 135 [2020-10-14 10:20:32,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:20:32,139 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 350 transitions. [2020-10-14 10:20:32,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:20:32,139 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 350 transitions. [2020-10-14 10:20:32,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:20:32,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:20:32,145 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] [2020-10-14 10:20:32,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:20:32,146 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:20:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:20:32,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1139572410, now seen corresponding path program 1 times [2020-10-14 10:20:32,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:20:32,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005993574] [2020-10-14 10:20:32,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:20:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:32,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:32,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:32,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:32,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:32,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:37,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:37,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:20:37,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:20:37,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 10:20:37,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:37,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:20:37,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 10:20:37,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 10:20:37,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:37,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:20:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:37,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:37,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:37,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:37,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:37,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:20:37,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:37,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:37,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:37,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:37,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:20:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:37,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:37,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:37,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:37,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:37,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:20:37,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:37,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:37,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:37,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:20:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:37,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:37,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:37,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:20:37,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:37,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:20:37,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:37,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:37,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:20:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:37,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:37,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:37,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:20:37,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:20:37,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:37,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:37,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:37,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:20:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:37,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:37,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:37,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:20:37,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:37,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:20:37,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:37,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:20:37,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:37,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:20:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:37,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:37,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:37,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:37,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:38,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:38,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:20:38,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:20:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 964 [2020-10-14 10:20:38,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:38,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 10:20:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:38,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:20:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:38,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:38,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:38,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:38,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:38,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:38,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:38,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:38,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:38,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:20:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:38,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:38,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:38,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:38,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:38,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:38,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:38,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:38,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:20:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:38,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:38,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:38,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:38,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:38,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:38,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:38,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:38,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:20:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:38,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:38,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:38,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:38,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:38,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:38,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:38,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:38,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:38,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:20:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:38,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:38,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:38,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:38,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:38,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:38,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:38,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:38,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:20:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:38,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:38,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:38,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:38,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:38,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:38,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:38,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:20:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:38,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:38,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:38,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:20:38,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:38,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 10:20:38,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:38,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:20:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:20:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:20:38,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:38,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:20:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:38,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:38,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:38,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:20:38,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:38,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:20:38,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:38,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:20:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:38,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:20:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:20:38,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005993574] [2020-10-14 10:20:38,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:20:38,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:20:38,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426803598] [2020-10-14 10:20:38,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:20:38,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:20:38,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:20:38,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:20:38,628 INFO L87 Difference]: Start difference. First operand 250 states and 350 transitions. Second operand 9 states. [2020-10-14 10:20:43,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:20:43,971 INFO L93 Difference]: Finished difference Result 1086 states and 1630 transitions. [2020-10-14 10:20:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 10:20:43,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2020-10-14 10:20:43,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:20:43,994 INFO L225 Difference]: With dead ends: 1086 [2020-10-14 10:20:43,995 INFO L226 Difference]: Without dead ends: 861 [2020-10-14 10:20:43,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-14 10:20:44,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-14 10:20:44,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 627. [2020-10-14 10:20:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-14 10:20:44,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 913 transitions. [2020-10-14 10:20:44,113 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 913 transitions. Word has length 135 [2020-10-14 10:20:44,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:20:44,114 INFO L479 AbstractCegarLoop]: Abstraction has 627 states and 913 transitions. [2020-10-14 10:20:44,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:20:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 913 transitions. [2020-10-14 10:20:44,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:20:44,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:20:44,121 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] [2020-10-14 10:20:44,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:20:44,121 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:20:44,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:20:44,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1067185852, now seen corresponding path program 1 times [2020-10-14 10:20:44,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:20:44,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954261535] [2020-10-14 10:20:44,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:20:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:44,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:44,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:44,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:44,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:46,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:48,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:20:49,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-14 10:20:49,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:20:49,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:20:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:20:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 10:20:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:49,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:20:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:49,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 10:20:49,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:20:49,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:49,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:20:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:20:49,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:20:49,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:20:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:49,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:20:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:20:49,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:49,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:49,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:20:49,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:49,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:20:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:20:49,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:20:49,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:20:49,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:49,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:20:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:49,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:20:49,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:49,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:20:49,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:49,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:49,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:49,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:20:49,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:49,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:20:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:49,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:49,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:50,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:50,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:20:50,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:20:50,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 872 [2020-10-14 10:20:50,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:50,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 10:20:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 10:20:50,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:50,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:20:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:50,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:50,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:50,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:50,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:50,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:50,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:50,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:50,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:20:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:50,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:50,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:50,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:50,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:50,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:50,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:50,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:50,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:50,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:50,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:50,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:50,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:20:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:50,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:50,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:50,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:50,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:50,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:50,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:50,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:50,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:50,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:50,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:50,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:50,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:20:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:50,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:50,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:50,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:50,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:50,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:20:50,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:50,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:50,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:50,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:20:50,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:50,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:20:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:50,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:50,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:50,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:50,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:50,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:20:50,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:50,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:50,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:50,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:50,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:20:50,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:50,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:20:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:50,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:50,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:50,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:20:50,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:50,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:20:50,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:50,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:50,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:20:50,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:20:50,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:20:50,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:50,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:20:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:50,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:50,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:50,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:20:50,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:50,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:20:50,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:50,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:50,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:20:50,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:50,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:20:50,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:20:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:50,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:50,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:20:50,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:20:50,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:20:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:20:50,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:20:50,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:20:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:20:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:20:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:20:50,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:20:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:20:50,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954261535] [2020-10-14 10:20:50,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:20:50,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:20:50,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668774907] [2020-10-14 10:20:50,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:20:50,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:20:50,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:20:50,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:20:50,389 INFO L87 Difference]: Start difference. First operand 627 states and 913 transitions. Second operand 8 states. [2020-10-14 10:20:55,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:20:55,581 INFO L93 Difference]: Finished difference Result 2163 states and 3261 transitions. [2020-10-14 10:20:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:20:55,584 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2020-10-14 10:20:55,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:20:55,595 INFO L225 Difference]: With dead ends: 2163 [2020-10-14 10:20:55,596 INFO L226 Difference]: Without dead ends: 1562 [2020-10-14 10:20:55,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:20:55,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2020-10-14 10:20:55,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1227. [2020-10-14 10:20:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2020-10-14 10:20:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1789 transitions. [2020-10-14 10:20:55,737 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1789 transitions. Word has length 135 [2020-10-14 10:20:55,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:20:55,737 INFO L479 AbstractCegarLoop]: Abstraction has 1227 states and 1789 transitions. [2020-10-14 10:20:55,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:20:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1789 transitions. [2020-10-14 10:20:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:20:55,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:20:55,741 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] [2020-10-14 10:20:55,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:20:55,741 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:20:55,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:20:55,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2049806883, now seen corresponding path program 1 times [2020-10-14 10:20:55,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:20:55,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990311156] [2020-10-14 10:20:55,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:20:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:20:55,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:55,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:55,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:55,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:20:55,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:00,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:00,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:21:00,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:21:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:21:00,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:00,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:00,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:21:00,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 10:21:00,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:21:00,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:00,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:00,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:00,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:00,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:00,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:00,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:21:00,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:00,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:00,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:00,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:00,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:00,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:00,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:00,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:00,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:00,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:00,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:00,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:00,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:00,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:00,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:00,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:00,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:00,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:00,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:21:00,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:00,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:00,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:00,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:00,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:00,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:00,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:00,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:00,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:00,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:21:00,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:00,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:00,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:00,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:00,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:00,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:00,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:00,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:00,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:21:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:00,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:00,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:00,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:00,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:00,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:21:00,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:00,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:00,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:00,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:21:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:00,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:00,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:01,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:02,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:21:02,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:21:02,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1903 [2020-10-14 10:21:02,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:02,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:02,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:21:02,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:02,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:21:02,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:02,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:02,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:02,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:02,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:02,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:02,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:02,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:21:02,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:02,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:21:02,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:02,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:02,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:02,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:02,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:02,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:02,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:02,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:02,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:02,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:02,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:02,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:02,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:02,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:02,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:02,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:02,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:02,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:02,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:02,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:02,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:02,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:02,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:02,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:02,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:02,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:02,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:02,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:02,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:02,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:02,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:02,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:02,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:02,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:02,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:02,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:02,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:02,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:02,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:02,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:02,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:02,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:02,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:02,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:02,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:02,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:02,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:02,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:02,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:02,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:02,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:21:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:02,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:02,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:02,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:02,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:21:02,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:02,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:21:02,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:02,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:02,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:21:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:02,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:02,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:02,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:02,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:02,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:02,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:02,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:02,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:02,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:02,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:02,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:03,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990311156] [2020-10-14 10:21:03,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:03,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:21:03,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812010456] [2020-10-14 10:21:03,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:21:03,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:03,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:21:03,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:21:03,005 INFO L87 Difference]: Start difference. First operand 1227 states and 1789 transitions. Second operand 10 states. [2020-10-14 10:21:06,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:06,660 INFO L93 Difference]: Finished difference Result 2888 states and 4351 transitions. [2020-10-14 10:21:06,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:21:06,661 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-14 10:21:06,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:06,676 INFO L225 Difference]: With dead ends: 2888 [2020-10-14 10:21:06,677 INFO L226 Difference]: Without dead ends: 1687 [2020-10-14 10:21:06,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:21:06,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-10-14 10:21:06,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1257. [2020-10-14 10:21:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1257 states. [2020-10-14 10:21:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1819 transitions. [2020-10-14 10:21:06,891 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1819 transitions. Word has length 135 [2020-10-14 10:21:06,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:06,892 INFO L479 AbstractCegarLoop]: Abstraction has 1257 states and 1819 transitions. [2020-10-14 10:21:06,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:21:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1819 transitions. [2020-10-14 10:21:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:21:06,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:06,896 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] [2020-10-14 10:21:06,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:21:06,896 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:06,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:06,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1658884191, now seen corresponding path program 1 times [2020-10-14 10:21:06,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:06,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061767530] [2020-10-14 10:21:06,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:06,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:06,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:06,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:09,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:10,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:21:11,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-14 10:21:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:21:11,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:21:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:21:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 10:21:11,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:12,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:12,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:12,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:12,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:12,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:21:12,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:12,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:12,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:12,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:12,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:21:12,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:12,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:12,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:12,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:12,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:12,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:12,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:21:12,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:12,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:12,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:12,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:12,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:21:12,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:12,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:12,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:12,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:12,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:12,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:12,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:12,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:12,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:12,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:12,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:12,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:12,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:12,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:12,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:12,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:12,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:21:12,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:12,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:21:12,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:12,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:12,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:21:12,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:12,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:21:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:12,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:12,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:12,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:12,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:12,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 10:21:12,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:12,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:21:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:21:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:12,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:12,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:12,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:12,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:13,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:13,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:21:13,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:21:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-10-14 10:21:13,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:13,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 10:21:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:21:13,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:13,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:13,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:13,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:13,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:13,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:13,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:13,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:13,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:13,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:13,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:13,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:13,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:13,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:13,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:13,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:13,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:13,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:13,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:13,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:13,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:13,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:13,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:13,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:13,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:13,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:13,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:13,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:13,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:21:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:13,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:13,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:13,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:13,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:13,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:13,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:13,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:13,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:13,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:13,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:13,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:13,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:13,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:13,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:13,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:13,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:13,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:13,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:13,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:13,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:13,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:13,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:13,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:13,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:13,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:13,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:13,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:13,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:13,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:21:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:13,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:13,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:13,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:13,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:21:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:13,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:21:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:13,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:21:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:13,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:13,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:13,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:13,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:13,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:13,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:13,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:13,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:13,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:13,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:13,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061767530] [2020-10-14 10:21:13,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:13,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:21:13,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075713154] [2020-10-14 10:21:13,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:21:13,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:13,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:21:13,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:21:13,352 INFO L87 Difference]: Start difference. First operand 1257 states and 1819 transitions. Second operand 9 states. [2020-10-14 10:21:18,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:18,463 INFO L93 Difference]: Finished difference Result 4310 states and 6531 transitions. [2020-10-14 10:21:18,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:21:18,464 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2020-10-14 10:21:18,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:18,485 INFO L225 Difference]: With dead ends: 4310 [2020-10-14 10:21:18,485 INFO L226 Difference]: Without dead ends: 3079 [2020-10-14 10:21:18,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:21:18,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3079 states. [2020-10-14 10:21:18,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3079 to 2470. [2020-10-14 10:21:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2470 states. [2020-10-14 10:21:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2470 states and 3563 transitions. [2020-10-14 10:21:18,827 INFO L78 Accepts]: Start accepts. Automaton has 2470 states and 3563 transitions. Word has length 135 [2020-10-14 10:21:18,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:18,827 INFO L479 AbstractCegarLoop]: Abstraction has 2470 states and 3563 transitions. [2020-10-14 10:21:18,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:21:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 3563 transitions. [2020-10-14 10:21:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:21:18,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:18,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:21:18,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:21:18,831 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:18,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:18,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1517784670, now seen corresponding path program 1 times [2020-10-14 10:21:18,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:18,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958217292] [2020-10-14 10:21:18,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:18,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:18,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:18,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:20,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:21:23,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 10:21:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 10:21:23,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:21:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:21:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 10:21:23,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:23,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:21:23,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:23,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:21:23,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:23,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:23,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:23,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:21:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:23,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:23,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:23,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:23,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:23,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:23,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:23,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:23,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:23,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:21:24,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:21:24,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:21:24,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:21:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:24,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:21:24,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:21:24,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:21:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:21:24,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:21:24,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-14 10:21:24,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:21:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 10:21:24,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:21:24,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:21:24,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:24,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:24,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:24,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:24,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:21:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:24,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:24,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:21:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:21:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:24,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:24,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1958217292] [2020-10-14 10:21:24,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:24,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:21:24,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326675074] [2020-10-14 10:21:24,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:21:24,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:24,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:21:24,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:21:24,289 INFO L87 Difference]: Start difference. First operand 2470 states and 3563 transitions. Second operand 9 states. [2020-10-14 10:21:29,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:29,595 INFO L93 Difference]: Finished difference Result 8443 states and 12781 transitions. [2020-10-14 10:21:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:21:29,596 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2020-10-14 10:21:29,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:29,644 INFO L225 Difference]: With dead ends: 8443 [2020-10-14 10:21:29,644 INFO L226 Difference]: Without dead ends: 5999 [2020-10-14 10:21:29,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:21:29,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5999 states. [2020-10-14 10:21:30,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5999 to 4860. [2020-10-14 10:21:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4860 states. [2020-10-14 10:21:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4860 states to 4860 states and 6993 transitions. [2020-10-14 10:21:30,675 INFO L78 Accepts]: Start accepts. Automaton has 4860 states and 6993 transitions. Word has length 135 [2020-10-14 10:21:30,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:30,676 INFO L479 AbstractCegarLoop]: Abstraction has 4860 states and 6993 transitions. [2020-10-14 10:21:30,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:21:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 4860 states and 6993 transitions. [2020-10-14 10:21:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:21:30,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:30,683 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] [2020-10-14 10:21:30,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:21:30,683 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:30,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:30,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1972690751, now seen corresponding path program 1 times [2020-10-14 10:21:30,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:30,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8863389] [2020-10-14 10:21:30,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:30,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:30,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:30,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:30,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:21:35,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 10:21:35,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 10:21:35,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:21:35,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:21:35,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 10:21:35,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:35,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:21:35,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:21:35,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:35,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:35,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:21:35,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:35,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:35,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:35,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:21:35,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:35,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:21:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:21:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:35,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:35,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:35,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:21:35,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:35,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:35,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:35,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:35,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:21:35,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:35,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:21:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:35,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:21:36,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:21:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-14 10:21:36,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 10:21:36,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:36,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:36,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:36,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:21:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:36,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:36,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:36,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:36,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:36,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:36,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:36,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:36,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:36,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:36,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:36,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:36,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:36,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:36,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:36,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:36,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:36,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 52 [2020-10-14 10:21:36,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:36,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:36,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:21:36,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:36,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:21:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:36,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:36,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:21:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:36,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:36,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:21:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:36,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:21:36,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:36,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:36,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8863389] [2020-10-14 10:21:36,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:36,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:21:36,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121749361] [2020-10-14 10:21:36,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:21:36,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:36,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:21:36,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:21:36,679 INFO L87 Difference]: Start difference. First operand 4860 states and 6993 transitions. Second operand 8 states. [2020-10-14 10:21:42,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:42,002 INFO L93 Difference]: Finished difference Result 15653 states and 23205 transitions. [2020-10-14 10:21:42,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:21:42,003 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2020-10-14 10:21:42,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:42,066 INFO L225 Difference]: With dead ends: 15653 [2020-10-14 10:21:42,066 INFO L226 Difference]: Without dead ends: 10819 [2020-10-14 10:21:42,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:21:42,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10819 states. [2020-10-14 10:21:43,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10819 to 8662. [2020-10-14 10:21:43,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8662 states. [2020-10-14 10:21:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8662 states to 8662 states and 12301 transitions. [2020-10-14 10:21:43,112 INFO L78 Accepts]: Start accepts. Automaton has 8662 states and 12301 transitions. Word has length 135 [2020-10-14 10:21:43,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:43,114 INFO L479 AbstractCegarLoop]: Abstraction has 8662 states and 12301 transitions. [2020-10-14 10:21:43,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:21:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 8662 states and 12301 transitions. [2020-10-14 10:21:43,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:21:43,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:43,118 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] [2020-10-14 10:21:43,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:21:43,118 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:43,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:43,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1441782012, now seen corresponding path program 1 times [2020-10-14 10:21:43,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:43,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491978716] [2020-10-14 10:21:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:43,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:43,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:43,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:43,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:44,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:21:48,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 10:21:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:21:48,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:21:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 10:21:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:21:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:48,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:48,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:48,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:48,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:48,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:48,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:21:48,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:21:48,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:48,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:48,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:21:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:48,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:48,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:48,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:21:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:21:48,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:21:48,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-14 10:21:48,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:21:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 10:21:48,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:21:48,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:48,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:48,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:48,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:48,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:48,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:21:48,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:48,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:21:48,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:48,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:48,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:21:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:21:48,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:48,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:48,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:48,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:48,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:48,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:21:48,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:21:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:21:48,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:21:48,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:21:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:21:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:48,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:48,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:48,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:48,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:48,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:48,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:48,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:48,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:48,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:48,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:48,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:48,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491978716] [2020-10-14 10:21:48,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:48,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:21:48,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292427141] [2020-10-14 10:21:48,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:21:48,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:48,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:21:48,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:21:48,892 INFO L87 Difference]: Start difference. First operand 8662 states and 12301 transitions. Second operand 10 states. [2020-10-14 10:21:53,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:53,213 INFO L93 Difference]: Finished difference Result 19716 states and 29026 transitions. [2020-10-14 10:21:53,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:21:53,214 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-14 10:21:53,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:53,272 INFO L225 Difference]: With dead ends: 19716 [2020-10-14 10:21:53,272 INFO L226 Difference]: Without dead ends: 11080 [2020-10-14 10:21:53,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:21:53,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11080 states. [2020-10-14 10:21:54,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11080 to 8782. [2020-10-14 10:21:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8782 states. [2020-10-14 10:21:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8782 states to 8782 states and 12397 transitions. [2020-10-14 10:21:54,958 INFO L78 Accepts]: Start accepts. Automaton has 8782 states and 12397 transitions. Word has length 135 [2020-10-14 10:21:54,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:54,959 INFO L479 AbstractCegarLoop]: Abstraction has 8782 states and 12397 transitions. [2020-10-14 10:21:54,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:21:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 8782 states and 12397 transitions. [2020-10-14 10:21:54,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:21:54,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:54,962 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] [2020-10-14 10:21:54,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:21:54,962 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:54,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:54,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1239958078, now seen corresponding path program 1 times [2020-10-14 10:21:54,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:54,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446780172] [2020-10-14 10:21:54,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:54,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:59,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:59,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:21:59,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 10:21:59,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 10:21:59,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:59,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:21:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 10:21:59,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:21:59,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:22:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:00,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:22:00,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:22:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:00,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:22:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:22:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:22:00,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:22:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:00,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:00,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:22:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:22:00,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:22:00,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 10:22:00,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:22:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:22:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:22:00,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:00,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:22:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:22:00,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:00,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:22:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:22:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:00,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:22:00,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:22:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:22:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:00,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:00,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:00,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:00,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:00,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:00,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:00,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:22:00,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446780172] [2020-10-14 10:22:00,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:00,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:22:00,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673018541] [2020-10-14 10:22:00,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:22:00,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:00,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:22:00,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:22:00,400 INFO L87 Difference]: Start difference. First operand 8782 states and 12397 transitions. Second operand 10 states. [2020-10-14 10:22:04,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:22:04,445 INFO L93 Difference]: Finished difference Result 20172 states and 29530 transitions. [2020-10-14 10:22:04,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:22:04,445 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-14 10:22:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:22:04,499 INFO L225 Difference]: With dead ends: 20172 [2020-10-14 10:22:04,499 INFO L226 Difference]: Without dead ends: 11416 [2020-10-14 10:22:04,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:22:04,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11416 states. [2020-10-14 10:22:05,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11416 to 8902. [2020-10-14 10:22:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8902 states. [2020-10-14 10:22:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8902 states to 8902 states and 12493 transitions. [2020-10-14 10:22:05,304 INFO L78 Accepts]: Start accepts. Automaton has 8902 states and 12493 transitions. Word has length 135 [2020-10-14 10:22:05,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:22:05,305 INFO L479 AbstractCegarLoop]: Abstraction has 8902 states and 12493 transitions. [2020-10-14 10:22:05,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:22:05,305 INFO L276 IsEmpty]: Start isEmpty. Operand 8902 states and 12493 transitions. [2020-10-14 10:22:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 10:22:05,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:22:05,307 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] [2020-10-14 10:22:05,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:22:05,307 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:22:05,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:22:05,307 INFO L82 PathProgramCache]: Analyzing trace with hash -400924416, now seen corresponding path program 1 times [2020-10-14 10:22:05,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:22:05,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1897722209] [2020-10-14 10:22:05,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:22:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:05,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:05,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:07,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:08,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:08,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:09,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:09,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 10:22:10,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-14 10:22:10,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:22:10,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:10,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-14 10:22:10,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:22:10,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:22:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:10,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:10,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:22:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:10,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:10,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:22:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:22:10,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:10,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:22:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:22:10,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:10,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:22:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:10,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:10,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:22:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:22:10,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:22:10,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 10:22:10,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:10,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:10,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:10,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:10,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:10,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:10,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:10,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:10,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:10,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:10,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:10,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:10,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:10,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:22:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:10,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:10,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:22:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:10,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:10,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:10,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:10,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:10,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:10,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:10,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:10,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:10,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:22:10,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:22:10,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1897722209] [2020-10-14 10:22:10,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:10,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 10:22:10,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766823386] [2020-10-14 10:22:10,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 10:22:10,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:10,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 10:22:10,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 10:22:10,580 INFO L87 Difference]: Start difference. First operand 8902 states and 12493 transitions. Second operand 7 states. [2020-10-14 10:22:15,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:22:15,437 INFO L93 Difference]: Finished difference Result 30122 states and 44421 transitions. [2020-10-14 10:22:15,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:22:15,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2020-10-14 10:22:15,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:22:15,529 INFO L225 Difference]: With dead ends: 30122 [2020-10-14 10:22:15,529 INFO L226 Difference]: Without dead ends: 21249 [2020-10-14 10:22:15,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-14 10:22:15,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21249 states. [2020-10-14 10:22:17,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21249 to 18286. [2020-10-14 10:22:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18286 states. [2020-10-14 10:22:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18286 states to 18286 states and 26408 transitions. [2020-10-14 10:22:17,167 INFO L78 Accepts]: Start accepts. Automaton has 18286 states and 26408 transitions. Word has length 135 [2020-10-14 10:22:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:22:17,167 INFO L479 AbstractCegarLoop]: Abstraction has 18286 states and 26408 transitions. [2020-10-14 10:22:17,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 10:22:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 18286 states and 26408 transitions. [2020-10-14 10:22:17,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 10:22:17,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:22:17,170 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] [2020-10-14 10:22:17,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:22:17,171 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:22:17,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:22:17,171 INFO L82 PathProgramCache]: Analyzing trace with hash -717843944, now seen corresponding path program 1 times [2020-10-14 10:22:17,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:22:17,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637086403] [2020-10-14 10:22:17,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:22:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:17,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:17,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:18,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:21,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:21,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 10:22:22,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 10:22:22,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 10:22:22,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:22:22,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 10:22:22,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 10:22:22,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:22:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:22,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:22:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:22:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:22:22,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:22,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:22:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:22:22,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:22,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:22:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:22,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:22,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:22:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:22:22,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:22:22,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 10:22:22,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 10:22:22,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:22,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:22,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:22,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:22,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:22,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:22,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:22,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:22,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:22,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:22,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:22,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:22,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:22,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:22:22,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:22:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:22,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:22:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:22:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:22:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:22,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:22,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:22,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:22,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:22,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:22,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:22,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:22:22,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:22:22,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637086403] [2020-10-14 10:22:22,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:22,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 10:22:22,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235383026] [2020-10-14 10:22:22,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 10:22:22,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:22,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 10:22:22,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 10:22:22,485 INFO L87 Difference]: Start difference. First operand 18286 states and 26408 transitions. Second operand 7 states. [2020-10-14 10:22:29,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:22:29,843 INFO L93 Difference]: Finished difference Result 62199 states and 96942 transitions. [2020-10-14 10:22:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:22:29,844 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2020-10-14 10:22:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:22:30,044 INFO L225 Difference]: With dead ends: 62199 [2020-10-14 10:22:30,045 INFO L226 Difference]: Without dead ends: 43950 [2020-10-14 10:22:30,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-14 10:22:30,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43950 states. [2020-10-14 10:22:34,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43950 to 36630. [2020-10-14 10:22:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36630 states. [2020-10-14 10:22:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36630 states to 36630 states and 55449 transitions. [2020-10-14 10:22:34,886 INFO L78 Accepts]: Start accepts. Automaton has 36630 states and 55449 transitions. Word has length 136 [2020-10-14 10:22:34,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:22:34,887 INFO L479 AbstractCegarLoop]: Abstraction has 36630 states and 55449 transitions. [2020-10-14 10:22:34,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 10:22:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 36630 states and 55449 transitions. [2020-10-14 10:22:34,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 10:22:34,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:22:34,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:22:34,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:22:34,901 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:22:34,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:22:34,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1443315905, now seen corresponding path program 1 times [2020-10-14 10:22:34,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:22:34,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101162466] [2020-10-14 10:22:34,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:22:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:34,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:34,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:34,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:35,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:36,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:39,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:39,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-14 10:22:39,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-14 10:22:39,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:22:39,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:39,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:39,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:39,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:22:39,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:22:39,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:22:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:40,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:40,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:40,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:22:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:40,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:40,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:22:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:22:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:22:40,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:40,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:40,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:40,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:22:40,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:22:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:22:40,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:40,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:40,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 10:22:40,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:22:40,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:22:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:40,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:40,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:22:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:22:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:22:40,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:22:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 10:22:40,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 10:22:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:40,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:40,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:40,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:40,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:40,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:40,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:40,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:40,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:40,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:40,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:40,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:40,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:22:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:40,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:22:40,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:22:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:22:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:40,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:40,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:22:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:40,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:40,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 10:22:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:40,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:40,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:40,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:40,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:40,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 10:22:40,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101162466] [2020-10-14 10:22:40,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:40,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:22:40,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138876877] [2020-10-14 10:22:40,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:22:40,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:40,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:22:40,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:22:40,236 INFO L87 Difference]: Start difference. First operand 36630 states and 55449 transitions. Second operand 9 states. [2020-10-14 10:22:46,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:22:46,415 INFO L93 Difference]: Finished difference Result 77036 states and 119613 transitions. [2020-10-14 10:22:46,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:22:46,416 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-10-14 10:22:46,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:22:46,609 INFO L225 Difference]: With dead ends: 77036 [2020-10-14 10:22:46,609 INFO L226 Difference]: Without dead ends: 40432 [2020-10-14 10:22:46,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:22:46,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40432 states. [2020-10-14 10:22:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40432 to 31688. [2020-10-14 10:22:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31688 states. [2020-10-14 10:22:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31688 states to 31688 states and 47566 transitions. [2020-10-14 10:22:49,682 INFO L78 Accepts]: Start accepts. Automaton has 31688 states and 47566 transitions. Word has length 159 [2020-10-14 10:22:49,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:22:49,682 INFO L479 AbstractCegarLoop]: Abstraction has 31688 states and 47566 transitions. [2020-10-14 10:22:49,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:22:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 31688 states and 47566 transitions. [2020-10-14 10:22:49,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 10:22:49,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:22:49,689 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:22:49,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:22:49,689 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:22:49,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:22:49,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1869870403, now seen corresponding path program 1 times [2020-10-14 10:22:49,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:22:49,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306136929] [2020-10-14 10:22:49,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:22:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:49,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:51,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:51,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:55,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:55,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-14 10:22:55,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 10:22:55,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6116 [2020-10-14 10:22:55,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:55,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:55,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:22:55,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-14 10:22:55,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 10:22:55,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:55,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:22:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:55,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:55,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:55,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:55,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:55,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:55,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:55,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:55,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:55,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:22:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:55,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:55,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:55,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:55,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:55,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:55,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:55,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:55,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:22:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:55,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:55,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:22:55,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:55,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:55,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:55,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:55,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:55,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:22:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:55,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:55,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:55,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:22:55,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:55,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:55,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:55,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:22:55,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:55,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:22:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:55,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:55,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:55,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:55,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:22:55,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:55,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:22:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:55,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:22:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:55,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:22:56,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:22:56,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 10:22:56,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:22:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:22:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 10:22:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:56,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:56,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:22:56,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:56,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:56,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:22:56,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:56,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:56,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:56,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:22:56,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:56,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:56,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:22:56,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:22:56,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 10:22:56,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:56,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:56,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:22:56,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:56,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:56,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:22:56,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:22:56,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:56,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:56,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:56,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:56,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:56,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:22:56,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:56,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:22:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:22:56,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:22:56,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:22:56,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:56,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:22:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:56,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:56,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:56,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:56,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:22:56,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:22:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:56,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:56,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:56,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:56,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:56,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:56,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 10:22:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:56,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:56,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:56,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:56,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:56,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:56,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:56,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 10:22:56,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306136929] [2020-10-14 10:22:56,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:56,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:22:56,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135360923] [2020-10-14 10:22:56,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:22:56,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:56,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:22:56,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:22:56,224 INFO L87 Difference]: Start difference. First operand 31688 states and 47566 transitions. Second operand 9 states. [2020-10-14 10:23:08,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:23:08,691 INFO L93 Difference]: Finished difference Result 114001 states and 193292 transitions. [2020-10-14 10:23:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:23:08,692 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-10-14 10:23:08,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:23:09,079 INFO L225 Difference]: With dead ends: 114001 [2020-10-14 10:23:09,080 INFO L226 Difference]: Without dead ends: 82342 [2020-10-14 10:23:09,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-14 10:23:09,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82342 states. [2020-10-14 10:23:16,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82342 to 65513. [2020-10-14 10:23:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65513 states. [2020-10-14 10:23:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65513 states to 65513 states and 105439 transitions. [2020-10-14 10:23:17,122 INFO L78 Accepts]: Start accepts. Automaton has 65513 states and 105439 transitions. Word has length 159 [2020-10-14 10:23:17,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:23:17,123 INFO L479 AbstractCegarLoop]: Abstraction has 65513 states and 105439 transitions. [2020-10-14 10:23:17,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:23:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 65513 states and 105439 transitions. [2020-10-14 10:23:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 10:23:17,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:23:17,131 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:23:17,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 10:23:17,132 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:23:17,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:23:17,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1459260037, now seen corresponding path program 1 times [2020-10-14 10:23:17,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:23:17,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749718967] [2020-10-14 10:23:17,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:23:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:17,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-14 10:23:22,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 10:23:22,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 10:23:22,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:23:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:23:22,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:23:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:22,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:22,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:23:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:22,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:22,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:23:22,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:23:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:23:22,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:22,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:23:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:23:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:23:22,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:23:22,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:23:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:23:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:23:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:23:22,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:23:22,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:23:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:23:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:23:22,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:23:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 10:23:22,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 10:23:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:23:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:22,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:22,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:23:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:22,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:22,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:22,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:23:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:22,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:22,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:23:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:22,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:22,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:23:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:22,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:22,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:23:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:22,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:22,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:22,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:23:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:23:22,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:23:22,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:23:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:23:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:22,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:22,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:23:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:22,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:22,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:22,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 10:23:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:22,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:22,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:22,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:22,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:22,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:22,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:22,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:22,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 10:23:22,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749718967] [2020-10-14 10:23:22,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:23:22,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:23:22,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439296823] [2020-10-14 10:23:22,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:23:22,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:23:22,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:23:22,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:23:22,413 INFO L87 Difference]: Start difference. First operand 65513 states and 105439 transitions. Second operand 9 states. [2020-10-14 10:23:32,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:23:32,409 INFO L93 Difference]: Finished difference Result 128736 states and 214483 transitions. [2020-10-14 10:23:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:23:32,409 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-10-14 10:23:32,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:23:32,720 INFO L225 Difference]: With dead ends: 128736 [2020-10-14 10:23:32,721 INFO L226 Difference]: Without dead ends: 63252 [2020-10-14 10:23:32,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:23:33,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63252 states. [2020-10-14 10:23:37,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63252 to 50672. [2020-10-14 10:23:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50672 states. [2020-10-14 10:23:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50672 states to 50672 states and 81632 transitions. [2020-10-14 10:23:37,640 INFO L78 Accepts]: Start accepts. Automaton has 50672 states and 81632 transitions. Word has length 159 [2020-10-14 10:23:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:23:37,640 INFO L479 AbstractCegarLoop]: Abstraction has 50672 states and 81632 transitions. [2020-10-14 10:23:37,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:23:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 50672 states and 81632 transitions. [2020-10-14 10:23:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:23:37,646 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:23:37,647 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:23:37,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 10:23:37,647 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:23:37,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:23:37,647 INFO L82 PathProgramCache]: Analyzing trace with hash -182090655, now seen corresponding path program 1 times [2020-10-14 10:23:37,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:23:37,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899638818] [2020-10-14 10:23:37,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:23:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:37,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:37,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:37,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:37,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:37,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:40,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:23:42,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 10:23:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:23:42,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:23:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 10:23:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 10:23:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:23:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:42,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:23:42,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:42,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:42,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:23:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:42,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:23:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:23:42,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:42,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:23:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:23:42,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:23:42,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:23:42,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:23:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:23:42,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:23:42,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:23:42,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:23:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 10:23:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 10:23:42,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:23:42,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 10:23:42,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:23:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:23:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 10:23:42,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:23:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:42,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:42,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:23:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:42,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:42,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:23:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:42,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:42,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:23:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:42,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:42,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:23:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:42,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:42,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:23:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:42,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:23:42,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 10:23:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:23:42,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:23:42,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:23:42,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 10:23:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:42,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:23:42,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 10:23:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:42,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 10:23:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:42,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:42,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:42,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:42,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:42,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:42,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 10:23:43,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899638818] [2020-10-14 10:23:43,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:23:43,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:23:43,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367075632] [2020-10-14 10:23:43,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:23:43,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:23:43,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:23:43,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:23:43,003 INFO L87 Difference]: Start difference. First operand 50672 states and 81632 transitions. Second operand 9 states.