/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 SingleStatement --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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:21:50,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:21:50,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:21:50,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:21:50,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:21:50,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:21:50,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:21:50,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:21:50,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:21:50,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:21:50,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:21:50,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:21:50,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:21:50,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:21:50,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:21:50,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:21:50,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:21:50,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:21:50,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:21:50,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:21:50,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:21:50,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:21:50,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:21:50,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:21:50,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:21:50,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:21:50,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:21:50,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:21:50,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:21:50,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:21:50,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:21:50,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:21:50,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:21:50,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:21:50,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:21:50,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:21:50,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:21:50,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:21:50,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:21:50,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:21:50,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:21:50,629 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 [2020-09-25 05:21:50,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:21:50,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:21:50,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:21:50,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:21:50,660 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:21:50,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:21:50,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:21:50,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:21:50,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:21:50,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:21:50,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:21:50,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:21:50,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:21:50,662 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:21:50,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:21:50,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:21:50,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:21:50,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:21:50,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:21:50,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:21:50,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:21:50,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:21:50,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:21:50,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:21:50,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:21:50,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:21:50,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:21:50,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:21:50,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:21:50,665 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 -> SingleStatement 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; 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; 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; 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; 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; 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; [2020-09-25 05:21:51,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:21:51,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:21:51,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:21:51,173 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:21:51,174 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:21:51,175 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-25 05:21:51,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/334f355f2/76cc5919bf84433999317fcd76282f11/FLAG088b2c879 [2020-09-25 05:21:51,847 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:21:51,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-25 05:21:51,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/334f355f2/76cc5919bf84433999317fcd76282f11/FLAG088b2c879 [2020-09-25 05:21:52,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/334f355f2/76cc5919bf84433999317fcd76282f11 [2020-09-25 05:21:52,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:21:52,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:21:52,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:21:52,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:21:52,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:21:52,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:21:52" (1/1) ... [2020-09-25 05:21:52,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdc476a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52, skipping insertion in model container [2020-09-25 05:21:52,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:21:52" (1/1) ... [2020-09-25 05:21:52,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:21:52,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:21:52,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:21:52,720 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:21:52,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:21:52,884 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:21:52,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52 WrapperNode [2020-09-25 05:21:52,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:21:52,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:21:52,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:21:52,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:21:52,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52" (1/1) ... [2020-09-25 05:21:52,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52" (1/1) ... [2020-09-25 05:21:52,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52" (1/1) ... [2020-09-25 05:21:52,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52" (1/1) ... [2020-09-25 05:21:52,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52" (1/1) ... [2020-09-25 05:21:52,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52" (1/1) ... [2020-09-25 05:21:52,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52" (1/1) ... [2020-09-25 05:21:52,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:21:52,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:21:52,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:21:52,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:21:52,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52" (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 [2020-09-25 05:21:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:21:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:21:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:21:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:21:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:21:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:21:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:21:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:21:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:21:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:21:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:21:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:21:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:21:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:21:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:21:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:21:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:21:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:21:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:21:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:21:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 05:21:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:21:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:21:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:21:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:21:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:21:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:21:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:21:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:21:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:21:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 05:21:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:21:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:21:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:21:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:21:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:21:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:21:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:21:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:21:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:21:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:21:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:21:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:21:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:21:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:21:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:21:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:21:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:21:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:21:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:21:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:21:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:21:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:21:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:21:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:21:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:21:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:21:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:21:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:21:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:21:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:21:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:21:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:21:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:21:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:21:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:21:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:21:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:21:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:21:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:21:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:21:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 05:21:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:21:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:21:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:21:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:21:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:21:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:21:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:21:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:21:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:21:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:21:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:21:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:21:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 05:21:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:21:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:21:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:21:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:21:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:21:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:21:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:21:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:21:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:21:54,316 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:21:54,316 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:21:54,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:21:54 BoogieIcfgContainer [2020-09-25 05:21:54,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:21:54,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:21:54,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:21:54,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:21:54,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:21:52" (1/3) ... [2020-09-25 05:21:54,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3861b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:21:54, skipping insertion in model container [2020-09-25 05:21:54,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:52" (2/3) ... [2020-09-25 05:21:54,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3861b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:21:54, skipping insertion in model container [2020-09-25 05:21:54,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:21:54" (3/3) ... [2020-09-25 05:21:54,337 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-09-25 05:21:54,349 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:21:54,361 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:21:54,384 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:21:54,419 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:21:54,419 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:21:54,419 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:21:54,419 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:21:54,419 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:21:54,419 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:21:54,420 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:21:54,420 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:21:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-09-25 05:21:54,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:21:54,469 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:54,471 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:54,472 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:54,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:54,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1009197842, now seen corresponding path program 1 times [2020-09-25 05:21:54,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:54,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793132233] [2020-09-25 05:21:54,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:55,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:56,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:56,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:59,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:59,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:59,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:21:59,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:21:59,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 05:21:59,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:59,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:21:59,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:59,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:22:00,290 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:00,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 05:22:00,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:00,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:00,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:22:00,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:00,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:22:00,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:00,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:00,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:22:00,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:00,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:00,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:00,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:00,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:00,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:00,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:00,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:22:00,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:22:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:00,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:22:00,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:22:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:00,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:00,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:00,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:00,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:00,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:22:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:00,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:00,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:00,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:22:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:00,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:00,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:00,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:00,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:00,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:00,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:00,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:00,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:00,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:00,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 05:22:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:00,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793132233] [2020-09-25 05:22:00,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:00,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:22:00,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318866793] [2020-09-25 05:22:00,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:22:00,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:00,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:22:00,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:22:00,736 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 4 states. [2020-09-25 05:22:01,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:01,712 INFO L93 Difference]: Finished difference Result 447 states and 526 transitions. [2020-09-25 05:22:01,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:22:01,714 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:22:01,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:01,736 INFO L225 Difference]: With dead ends: 447 [2020-09-25 05:22:01,737 INFO L226 Difference]: Without dead ends: 288 [2020-09-25 05:22:01,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:22:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-09-25 05:22:01,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 244. [2020-09-25 05:22:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 05:22:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 264 transitions. [2020-09-25 05:22:01,852 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 264 transitions. Word has length 160 [2020-09-25 05:22:01,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:01,853 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 264 transitions. [2020-09-25 05:22:01,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:22:01,854 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 264 transitions. [2020-09-25 05:22:01,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:22:01,859 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:01,860 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:01,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:22:01,860 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:01,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:01,861 INFO L82 PathProgramCache]: Analyzing trace with hash 190378574, now seen corresponding path program 1 times [2020-09-25 05:22:01,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:01,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795029818] [2020-09-25 05:22:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:02,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:02,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:03,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:05,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:06,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:06,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:22:06,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:22:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 05:22:06,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:06,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:22:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:22:06,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:07,329 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:07,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:07,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 05:22:07,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:07,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:07,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:07,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:07,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:07,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:07,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:07,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:07,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:07,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:07,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:07,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:07,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:07,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:07,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:07,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:07,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:07,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:22:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:07,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:07,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:22:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:07,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:07,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:07,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:22:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:07,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:07,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:07,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:22:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:07,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:07,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:07,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:07,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:07,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:07,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:07,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:07,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795029818] [2020-09-25 05:22:07,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:07,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:22:07,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995649170] [2020-09-25 05:22:07,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:22:07,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:07,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:22:07,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:22:07,615 INFO L87 Difference]: Start difference. First operand 244 states and 264 transitions. Second operand 5 states. [2020-09-25 05:22:08,320 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:22:09,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:09,095 INFO L93 Difference]: Finished difference Result 372 states and 418 transitions. [2020-09-25 05:22:09,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:22:09,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:22:09,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:09,100 INFO L225 Difference]: With dead ends: 372 [2020-09-25 05:22:09,100 INFO L226 Difference]: Without dead ends: 277 [2020-09-25 05:22:09,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:22:09,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-25 05:22:09,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 234. [2020-09-25 05:22:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-25 05:22:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 251 transitions. [2020-09-25 05:22:09,145 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 251 transitions. Word has length 161 [2020-09-25 05:22:09,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:09,146 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 251 transitions. [2020-09-25 05:22:09,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:22:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 251 transitions. [2020-09-25 05:22:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 05:22:09,150 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:09,150 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:09,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:22:09,151 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:09,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:09,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1441293719, now seen corresponding path program 1 times [2020-09-25 05:22:09,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:09,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470229619] [2020-09-25 05:22:09,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:09,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:09,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:09,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:11,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 05:22:14,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:22:14,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-09-25 05:22:14,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:22:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:22:14,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:14,653 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:14,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:14,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 05:22:14,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:14,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:14,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:14,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:14,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:14,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:14,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:14,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:22:14,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:14,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:14,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:14,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:14,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:14,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:22:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:14,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:22:14,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:14,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:14,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:14,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:14,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:14,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:14,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:14,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:14,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:14,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:14,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:14,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:22:14,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:22:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:14,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:22:14,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:14,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:14,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:22:14,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:22:14,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:22:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:14,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:22:14,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:22:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:22:14,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:14,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:14,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:14,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:14,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:14,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:22:14,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 05:22:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:14,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:14,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:14,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:14,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:14,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:14,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 05:22:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:14,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:14,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:14,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:14,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:14,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:14,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:14,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:14,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:14,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:14,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:15,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470229619] [2020-09-25 05:22:15,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:15,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:22:15,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573864217] [2020-09-25 05:22:15,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:22:15,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:15,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:22:15,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:22:15,118 INFO L87 Difference]: Start difference. First operand 234 states and 251 transitions. Second operand 6 states. [2020-09-25 05:22:15,805 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:16,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:16,634 INFO L93 Difference]: Finished difference Result 419 states and 483 transitions. [2020-09-25 05:22:16,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:22:16,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 05:22:16,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:16,644 INFO L225 Difference]: With dead ends: 419 [2020-09-25 05:22:16,644 INFO L226 Difference]: Without dead ends: 300 [2020-09-25 05:22:16,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:22:16,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-25 05:22:16,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 234. [2020-09-25 05:22:16,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-25 05:22:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 250 transitions. [2020-09-25 05:22:16,699 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 250 transitions. Word has length 174 [2020-09-25 05:22:16,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:16,701 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 250 transitions. [2020-09-25 05:22:16,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:22:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 250 transitions. [2020-09-25 05:22:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-09-25 05:22:16,707 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:16,707 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:16,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:22:16,708 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:16,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:16,708 INFO L82 PathProgramCache]: Analyzing trace with hash -2081588078, now seen corresponding path program 1 times [2020-09-25 05:22:16,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:16,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069873006] [2020-09-25 05:22:16,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:16,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:17,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:18,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:18,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:19,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:21,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:21,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-25 05:22:21,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:22:21,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:22:21,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:21,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:21,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:22:21,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 05:22:21,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:22:21,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:22,099 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:22,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:22,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 05:22:22,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:22,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:22,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:22,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:22,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:22,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:22,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:22,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:22,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:22,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:22,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:22:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:22,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:22,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:22:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:22,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:22,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:22,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:22,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:22,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:22:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:22:22,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:22:22,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:22:22,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:22:22,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 05:22:22,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:22:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:22,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:22:22,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:22,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:22:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:22:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 05:22:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:22,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:22,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 05:22:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:22,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:22,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:22,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:22,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:22,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:22,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:22,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:22,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:22,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:22,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069873006] [2020-09-25 05:22:22,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:22,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:22:22,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030785636] [2020-09-25 05:22:22,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:22:22,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:22,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:22:22,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:22:22,622 INFO L87 Difference]: Start difference. First operand 234 states and 250 transitions. Second operand 9 states. [2020-09-25 05:22:23,409 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:25,435 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:22:25,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:25,869 INFO L93 Difference]: Finished difference Result 599 states and 716 transitions. [2020-09-25 05:22:25,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 05:22:25,870 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 182 [2020-09-25 05:22:25,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:25,877 INFO L225 Difference]: With dead ends: 599 [2020-09-25 05:22:25,877 INFO L226 Difference]: Without dead ends: 480 [2020-09-25 05:22:25,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2020-09-25 05:22:25,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-25 05:22:25,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 342. [2020-09-25 05:22:25,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-25 05:22:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 371 transitions. [2020-09-25 05:22:25,934 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 371 transitions. Word has length 182 [2020-09-25 05:22:25,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:25,935 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 371 transitions. [2020-09-25 05:22:25,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:22:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 371 transitions. [2020-09-25 05:22:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-25 05:22:25,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:25,938 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:25,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:22:25,938 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:25,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:25,938 INFO L82 PathProgramCache]: Analyzing trace with hash -489086187, now seen corresponding path program 1 times [2020-09-25 05:22:25,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:25,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627532569] [2020-09-25 05:22:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:26,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:26,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:26,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:29,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-25 05:22:31,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:22:31,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 05:22:31,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:22:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 05:22:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 05:22:31,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:31,351 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:31,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:31,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 05:22:31,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:31,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:31,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:31,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:31,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:31,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:31,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:31,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:31,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:31,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:31,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:31,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:31,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:31,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:22:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:31,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:31,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:22:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:31,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:31,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:31,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:31,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:22:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 05:22:31,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:22:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 05:22:31,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:22:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:22:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:22:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 05:22:31,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 05:22:31,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:22:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:22:31,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:31,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:31,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:31,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:22:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:31,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:31,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:22:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 05:22:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:31,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:31,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:22:31,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:31,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 05:22:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:31,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:31,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:31,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:31,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:22:31,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:31,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:22:31,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:31,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:22:31,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:22:31,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627532569] [2020-09-25 05:22:31,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:31,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 05:22:31,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970526192] [2020-09-25 05:22:31,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:22:31,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:31,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:22:31,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:22:31,796 INFO L87 Difference]: Start difference. First operand 342 states and 371 transitions. Second operand 11 states. [2020-09-25 05:22:32,356 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:33,356 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:33,652 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:22:34,548 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:34,903 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:35,288 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:22:35,872 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:36,186 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:22:36,486 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:36,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:36,938 INFO L93 Difference]: Finished difference Result 706 states and 833 transitions. [2020-09-25 05:22:36,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 05:22:36,938 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2020-09-25 05:22:36,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:36,944 INFO L225 Difference]: With dead ends: 706 [2020-09-25 05:22:36,944 INFO L226 Difference]: Without dead ends: 479 [2020-09-25 05:22:36,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-25 05:22:36,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-09-25 05:22:36,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 341. [2020-09-25 05:22:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-09-25 05:22:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 368 transitions. [2020-09-25 05:22:36,996 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 368 transitions. Word has length 206 [2020-09-25 05:22:36,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:36,997 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 368 transitions. [2020-09-25 05:22:36,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 05:22:36,997 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 368 transitions. [2020-09-25 05:22:37,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 05:22:37,000 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:37,000 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:37,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:22:37,001 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:37,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:37,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1682980522, now seen corresponding path program 1 times [2020-09-25 05:22:37,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:37,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057171861] [2020-09-25 05:22:37,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:37,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:37,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:37,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 05:22:37,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:37,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 742 [2020-09-25 05:22:37,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:37,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:22:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-25 05:22:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:22:37,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,105 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:38,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:38,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 05:22:38,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:38,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:38,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:38,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:38,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:38,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:38,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:38,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:38,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:38,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:38,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:22:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:38,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:38,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:22:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:38,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:38,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:38,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:38,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:22:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 05:22:38,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 05:22:38,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:22:38,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 05:22:38,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:22:38,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:22:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:22:38,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 05:22:38,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:22:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 05:22:38,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:22:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:22:38,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:38,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:38,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:22:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:38,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:38,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 05:22:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 05:22:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:38,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:38,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 05:22:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:38,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:38,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:38,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:38,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:38,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:38,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057171861] [2020-09-25 05:22:38,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:38,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 05:22:38,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958350460] [2020-09-25 05:22:38,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:22:38,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:38,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:22:38,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:22:38,558 INFO L87 Difference]: Start difference. First operand 341 states and 368 transitions. Second operand 11 states.