/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 --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 interpolation-heuristic=FIRST --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_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:05:41,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:05:41,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:05:41,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:05:41,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:05:41,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:05:41,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:05:41,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:05:41,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:05:41,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:05:41,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:05:41,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:05:41,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:05:41,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:05:41,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:05:41,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:05:41,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:05:41,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:05:41,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:05:41,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:05:41,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:05:41,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:05:41,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:05:41,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:05:41,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:05:41,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:05:41,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:05:41,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:05:41,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:05:41,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:05:41,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:05:41,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:05:41,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:05:41,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:05:41,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:05:41,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:05:41,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:05:41,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:05:41,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:05:41,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:05:41,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:05:41,565 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 [2020-09-21 11:05:41,596 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:05:41,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:05:41,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:05:41,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:05:41,598 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:05:41,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:05:41,602 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:05:41,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:05:41,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:05:41,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:05:41,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:05:41,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:05:41,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:05:41,603 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:05:41,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:05:41,604 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:05:41,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:05:41,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:05:41,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:05:41,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:05:41,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:05:41,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:05:41,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:05:41,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:05:41,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:05:41,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:05:41,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:05:41,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:05:41,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:05:41,608 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:05:42,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:05:42,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:05:42,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:05:42,096 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:05:42,099 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:05:42,100 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-09-21 11:05:42,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84bd8792d/c7c36daf41d34cec93d28bac491b4d4d/FLAG896151d7d [2020-09-21 11:05:42,790 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:05:42,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-09-21 11:05:42,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84bd8792d/c7c36daf41d34cec93d28bac491b4d4d/FLAG896151d7d [2020-09-21 11:05:43,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84bd8792d/c7c36daf41d34cec93d28bac491b4d4d [2020-09-21 11:05:43,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:05:43,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:05:43,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:43,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:05:43,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:05:43,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:43" (1/1) ... [2020-09-21 11:05:43,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43, skipping insertion in model container [2020-09-21 11:05:43,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:43" (1/1) ... [2020-09-21 11:05:43,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:05:43,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:05:43,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:43,639 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:05:43,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:43,795 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:05:43,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43 WrapperNode [2020-09-21 11:05:43,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:43,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:05:43,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:05:43,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:05:43,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43" (1/1) ... [2020-09-21 11:05:43,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43" (1/1) ... [2020-09-21 11:05:43,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43" (1/1) ... [2020-09-21 11:05:43,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43" (1/1) ... [2020-09-21 11:05:43,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43" (1/1) ... [2020-09-21 11:05:43,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43" (1/1) ... [2020-09-21 11:05:43,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43" (1/1) ... [2020-09-21 11:05:43,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:05:43,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:05:43,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:05:43,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:05:43,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43" (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 [2020-09-21 11:05:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:05:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:05:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:05:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:05:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:05:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:05:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:05:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:05:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:05:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:05:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:05:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:05:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:05:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:05:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:05:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:05:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:05:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:05:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:05:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:05:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:05:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:05:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:05:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:05:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:05:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:05:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:05:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:05:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:05:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:05:43,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:05:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:05:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:05:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:05:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:05:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:05:43,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:05:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:05:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:05:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:05:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:05:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:05:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:05:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:05:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:05:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:05:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:05:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:05:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:05:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:05:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:05:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:05:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:05:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:05:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:05:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:05:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:05:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:05:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:05:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:05:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:05:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:05:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:05:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:05:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:05:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:05:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:05:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:05:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:05:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:05:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:05:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:05:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:05:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:05:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:05:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:05:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:05:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:05:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:05:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:05:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:05:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:05:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:05:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:05:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:05:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:05:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:05:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:05:45,140 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:05:45,140 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:05:45,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:45 BoogieIcfgContainer [2020-09-21 11:05:45,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:05:45,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:05:45,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:05:45,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:05:45,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:05:43" (1/3) ... [2020-09-21 11:05:45,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710dab23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:45, skipping insertion in model container [2020-09-21 11:05:45,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:43" (2/3) ... [2020-09-21 11:05:45,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710dab23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:45, skipping insertion in model container [2020-09-21 11:05:45,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:45" (3/3) ... [2020-09-21 11:05:45,164 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2020-09-21 11:05:45,175 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:05:45,191 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:05:45,213 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:05:45,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:05:45,248 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:05:45,248 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:05:45,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:05:45,249 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:05:45,249 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:05:45,249 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:05:45,249 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:05:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2020-09-21 11:05:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:05:45,284 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:45,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:45,286 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:45,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:45,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1301923028, now seen corresponding path program 1 times [2020-09-21 11:05:45,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:45,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052778425] [2020-09-21 11:05:45,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:45,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:45,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:45,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:45,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:45,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:05:45,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:05:45,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:05:45,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:45,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-21 11:05:46,156 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:46,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:46,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:46,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:46,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:46,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:46,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:46,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:46,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:46,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:46,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:46,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:46,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:46,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:46,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:46,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:46,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:46,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:46,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:46,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:46,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:46,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:46,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:46,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:46,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:46,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:46,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:46,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:46,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:46,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:46,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:46,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:46,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:46,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:46,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:46,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:46,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:46,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:46,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:46,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:46,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:46,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:46,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:46,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:46,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:46,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:46,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:46,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:46,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:46,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:46,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:05:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:46,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:46,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:46,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:46,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:46,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:46,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:46,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:46,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:46,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:05:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:46,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:46,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:46,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:46,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:46,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:46,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:46,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:46,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:46,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052778425] [2020-09-21 11:05:46,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:46,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:05:46,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179188991] [2020-09-21 11:05:46,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:05:46,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:46,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:05:46,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:46,343 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 3 states. [2020-09-21 11:05:47,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:47,617 INFO L93 Difference]: Finished difference Result 345 states and 451 transitions. [2020-09-21 11:05:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:05:47,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:05:47,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:47,649 INFO L225 Difference]: With dead ends: 345 [2020-09-21 11:05:47,649 INFO L226 Difference]: Without dead ends: 186 [2020-09-21 11:05:47,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:47,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-09-21 11:05:47,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-09-21 11:05:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-09-21 11:05:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2020-09-21 11:05:47,851 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2020-09-21 11:05:47,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:47,852 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2020-09-21 11:05:47,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:05:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2020-09-21 11:05:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:05:47,864 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:47,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:47,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:05:47,865 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:47,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:47,866 INFO L82 PathProgramCache]: Analyzing trace with hash -216566915, now seen corresponding path program 1 times [2020-09-21 11:05:47,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:47,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556333577] [2020-09-21 11:05:47,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:05:47,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -36 [2020-09-21 11:05:47,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 36 [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:05:47,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:05:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:47,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,229 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:48,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:48,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:05:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:48,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:48,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:48,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:48,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:48,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:48,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556333577] [2020-09-21 11:05:48,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:48,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:48,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504764953] [2020-09-21 11:05:48,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:48,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:48,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:48,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:48,322 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 4 states. [2020-09-21 11:05:48,793 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:49,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:49,819 INFO L93 Difference]: Finished difference Result 278 states and 342 transitions. [2020-09-21 11:05:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:49,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:05:49,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:49,824 INFO L225 Difference]: With dead ends: 278 [2020-09-21 11:05:49,825 INFO L226 Difference]: Without dead ends: 170 [2020-09-21 11:05:49,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:49,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-09-21 11:05:49,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2020-09-21 11:05:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-09-21 11:05:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2020-09-21 11:05:49,896 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2020-09-21 11:05:49,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:49,896 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2020-09-21 11:05:49,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:49,897 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2020-09-21 11:05:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:05:49,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:49,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:49,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:05:49,902 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:49,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:49,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1163721234, now seen corresponding path program 1 times [2020-09-21 11:05:49,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:49,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608685879] [2020-09-21 11:05:49,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:50,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:50,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:50,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:50,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:50,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:05:50,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-21 11:05:50,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:05:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:50,393 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:50,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:50,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:50,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:50,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:50,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:50,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:50,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:50,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:05:50,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:50,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:50,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:50,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:50,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:50,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:50,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:50,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:50,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:50,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:50,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:50,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:50,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:50,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:50,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:50,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:50,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:50,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:50,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:50,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:50,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:50,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:50,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:50,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:50,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:50,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:50,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:50,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:50,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:50,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:50,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:50,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:50,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:50,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:50,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:50,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:50,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:50,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:50,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:50,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:50,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:05:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:50,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:50,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:50,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:50,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:50,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:50,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:50,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:05:50,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:50,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:50,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:50,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:50,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:50,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:05:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:50,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:50,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:50,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:50,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:50,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608685879] [2020-09-21 11:05:50,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:50,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:50,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206025485] [2020-09-21 11:05:50,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:50,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:50,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:50,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:50,575 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 4 states. [2020-09-21 11:05:50,935 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:51,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:51,956 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2020-09-21 11:05:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:51,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:05:51,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:51,960 INFO L225 Difference]: With dead ends: 287 [2020-09-21 11:05:51,960 INFO L226 Difference]: Without dead ends: 170 [2020-09-21 11:05:51,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:51,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-09-21 11:05:51,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2020-09-21 11:05:51,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-09-21 11:05:51,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2020-09-21 11:05:51,991 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2020-09-21 11:05:51,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:51,991 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2020-09-21 11:05:51,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:51,992 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2020-09-21 11:05:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:05:51,993 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:51,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:51,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:05:51,994 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:51,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:51,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1315506319, now seen corresponding path program 1 times [2020-09-21 11:05:51,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:51,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113593674] [2020-09-21 11:05:51,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:05:52,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-09-21 11:05:52,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:05:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:05:52,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,765 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:05:52,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:52,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:05:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 11:05:52,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:52,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:05:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:05:52,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:05:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:05:52,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:52,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:05:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:52,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:05:52,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:52,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:52,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:05:52,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:05:52,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:05:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:52,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:05:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:53,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113593674] [2020-09-21 11:05:53,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:53,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:05:53,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820423812] [2020-09-21 11:05:53,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:05:53,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:53,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:05:53,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:05:53,003 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 6 states. [2020-09-21 11:05:53,449 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:54,776 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:55,717 INFO L93 Difference]: Finished difference Result 390 states and 484 transitions. [2020-09-21 11:05:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:05:55,718 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-09-21 11:05:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:55,722 INFO L225 Difference]: With dead ends: 390 [2020-09-21 11:05:55,722 INFO L226 Difference]: Without dead ends: 273 [2020-09-21 11:05:55,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:05:55,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-21 11:05:55,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 232. [2020-09-21 11:05:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-09-21 11:05:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2020-09-21 11:05:55,769 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2020-09-21 11:05:55,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:55,769 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2020-09-21 11:05:55,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:05:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2020-09-21 11:05:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:05:55,771 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:55,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:55,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:05:55,771 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:55,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:55,772 INFO L82 PathProgramCache]: Analyzing trace with hash -921409892, now seen corresponding path program 1 times [2020-09-21 11:05:55,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:55,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270502060] [2020-09-21 11:05:55,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:05:56,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-09-21 11:05:56,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:05:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-21 11:05:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:56,489 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:56,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:56,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:05:56,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:56,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:56,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:56,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:56,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:56,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:56,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:56,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:56,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:56,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:56,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:56,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:05:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:05:56,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:56,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:05:56,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:05:56,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:56,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:05:56,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:56,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:56,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:56,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:56,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:56,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:56,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:05:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:56,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:56,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:56,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:56,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:56,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 11:05:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:56,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:56,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:56,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:56,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:56,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:56,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:56,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:56,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:56,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:56,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:56,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:56,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270502060] [2020-09-21 11:05:56,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:56,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:05:56,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170907170] [2020-09-21 11:05:56,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:05:56,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:56,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:05:56,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:05:56,756 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 8 states. [2020-09-21 11:05:57,193 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:58,243 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:58,662 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:59,363 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:59,648 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:59,989 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:01,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:01,273 INFO L93 Difference]: Finished difference Result 691 states and 842 transitions. [2020-09-21 11:06:01,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:06:01,274 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-09-21 11:06:01,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:01,278 INFO L225 Difference]: With dead ends: 691 [2020-09-21 11:06:01,278 INFO L226 Difference]: Without dead ends: 483 [2020-09-21 11:06:01,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:06:01,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-09-21 11:06:01,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 419. [2020-09-21 11:06:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-21 11:06:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 478 transitions. [2020-09-21 11:06:01,360 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 478 transitions. Word has length 83 [2020-09-21 11:06:01,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:01,360 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 478 transitions. [2020-09-21 11:06:01,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:06:01,361 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 478 transitions. [2020-09-21 11:06:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-21 11:06:01,362 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:01,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:01,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:06:01,363 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:01,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:01,363 INFO L82 PathProgramCache]: Analyzing trace with hash 592685792, now seen corresponding path program 1 times [2020-09-21 11:06:01,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:01,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442997301] [2020-09-21 11:06:01,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:01,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:01,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:01,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:01,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:01,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:06:01,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:01,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-09-21 11:06:01,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:06:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:01,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-21 11:06:01,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,349 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:02,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:06:02,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:02,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:02,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:02,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:02,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:02,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:02,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:02,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:02,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:06:02,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:02,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:02,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:02,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:02,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:02,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:02,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:02,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:06:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:06:02,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:02,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:06:02,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:06:02,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:02,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:06:02,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:06:02,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:02,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:02,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:02,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:02,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:06:02,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:02,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:02,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:02,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:02,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:02,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:02,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:06:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:02,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:02,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:02,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 11:06:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:02,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:02,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:02,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:02,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:02,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:02,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:02,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:02,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:02,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:02,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:02,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:02,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:02,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442997301] [2020-09-21 11:06:02,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:02,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:06:02,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453201528] [2020-09-21 11:06:02,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:06:02,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:02,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:06:02,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:06:02,596 INFO L87 Difference]: Start difference. First operand 419 states and 478 transitions. Second operand 9 states. [2020-09-21 11:06:03,106 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:04,457 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:04,798 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:05,941 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:06,271 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:06,591 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:06,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:06,959 INFO L93 Difference]: Finished difference Result 522 states and 646 transitions. [2020-09-21 11:06:06,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:06:06,959 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-09-21 11:06:06,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:06,964 INFO L225 Difference]: With dead ends: 522 [2020-09-21 11:06:06,964 INFO L226 Difference]: Without dead ends: 519 [2020-09-21 11:06:06,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:06:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-21 11:06:07,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 419. [2020-09-21 11:06:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-21 11:06:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 477 transitions. [2020-09-21 11:06:07,048 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 477 transitions. Word has length 87 [2020-09-21 11:06:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:07,049 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 477 transitions. [2020-09-21 11:06:07,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 477 transitions. [2020-09-21 11:06:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:06:07,051 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:07,051 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:06:07,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:06:07,052 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:07,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:07,052 INFO L82 PathProgramCache]: Analyzing trace with hash -88143431, now seen corresponding path program 1 times [2020-09-21 11:06:07,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:07,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960231863] [2020-09-21 11:06:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 11:06:07,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:07,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-21 11:06:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:07,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,334 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:07,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:07,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:07,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:07,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:06:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:07,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:07,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:06:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:07,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:07,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:07,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:06:07,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:07,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:07,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:07,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:06:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:07,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:07,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:07,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:07,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:06:07,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:07,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:07,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:06:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:07,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:06:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:07,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:06:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:06:07,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960231863] [2020-09-21 11:06:07,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:07,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:06:07,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324850946] [2020-09-21 11:06:07,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:06:07,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:07,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:06:07,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:06:07,577 INFO L87 Difference]: Start difference. First operand 419 states and 477 transitions. Second operand 9 states. [2020-09-21 11:06:08,505 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:08,824 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:09,122 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:09,420 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:10,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:10,599 INFO L93 Difference]: Finished difference Result 922 states and 1136 transitions. [2020-09-21 11:06:10,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:06:10,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-09-21 11:06:10,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:10,612 INFO L225 Difference]: With dead ends: 922 [2020-09-21 11:06:10,612 INFO L226 Difference]: Without dead ends: 527 [2020-09-21 11:06:10,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:06:10,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-09-21 11:06:10,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 429. [2020-09-21 11:06:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-09-21 11:06:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 487 transitions. [2020-09-21 11:06:10,702 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 487 transitions. Word has length 103 [2020-09-21 11:06:10,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:10,703 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 487 transitions. [2020-09-21 11:06:10,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 487 transitions. [2020-09-21 11:06:10,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:06:10,705 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:10,705 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:06:10,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:06:10,705 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:10,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:10,706 INFO L82 PathProgramCache]: Analyzing trace with hash -441231813, now seen corresponding path program 1 times [2020-09-21 11:06:10,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:10,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901364081] [2020-09-21 11:06:10,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:10,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -59 [2020-09-21 11:06:10,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 59 [2020-09-21 11:06:10,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 11:06:10,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:06:10,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-21 11:06:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:10,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,035 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:11,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:11,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:11,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:11,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:11,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:11,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:06:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:11,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:11,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:06:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:11,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:11,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:06:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:11,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:11,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:11,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:06:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:11,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:11,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:11,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:06:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:11,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:11,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:11,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:06:11,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:11,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:06:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:11,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:06:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:06:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:11,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:11,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:06:11,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901364081] [2020-09-21 11:06:11,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:11,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:06:11,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786123783] [2020-09-21 11:06:11,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:06:11,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:11,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:06:11,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:06:11,312 INFO L87 Difference]: Start difference. First operand 429 states and 487 transitions. Second operand 8 states. [2020-09-21 11:06:12,405 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:12,657 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:12,945 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:14,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:14,233 INFO L93 Difference]: Finished difference Result 942 states and 1158 transitions. [2020-09-21 11:06:14,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:06:14,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2020-09-21 11:06:14,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:14,238 INFO L225 Difference]: With dead ends: 942 [2020-09-21 11:06:14,238 INFO L226 Difference]: Without dead ends: 537 [2020-09-21 11:06:14,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:06:14,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-09-21 11:06:14,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 437. [2020-09-21 11:06:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-09-21 11:06:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2020-09-21 11:06:14,330 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2020-09-21 11:06:14,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:14,330 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2020-09-21 11:06:14,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:06:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2020-09-21 11:06:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:06:14,335 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:14,335 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:06:14,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:06:14,335 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:14,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:14,336 INFO L82 PathProgramCache]: Analyzing trace with hash 691958780, now seen corresponding path program 1 times [2020-09-21 11:06:14,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:14,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1445843180] [2020-09-21 11:06:14,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 11:06:14,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-21 11:06:14,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:06:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:06:14,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,855 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:14,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:14,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:06:14,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:14,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:14,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:14,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:14,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:14,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:14,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:14,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:14,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:14,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:14,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:06:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:14,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:14,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:14,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:14,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:14,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:06:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:06:14,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:15,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:06:15,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:15,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:06:15,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:15,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:06:15,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:15,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:15,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:15,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:15,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:06:15,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:15,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:06:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:06:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:15,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:06:15,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1445843180] [2020-09-21 11:06:15,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:15,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:06:15,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188625581] [2020-09-21 11:06:15,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:06:15,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:15,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:06:15,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:06:15,144 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 7 states. [2020-09-21 11:06:15,518 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:16,095 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:18,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:18,223 INFO L93 Difference]: Finished difference Result 1265 states and 1606 transitions. [2020-09-21 11:06:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:06:18,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-09-21 11:06:18,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:18,229 INFO L225 Difference]: With dead ends: 1265 [2020-09-21 11:06:18,229 INFO L226 Difference]: Without dead ends: 852 [2020-09-21 11:06:18,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:06:18,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-09-21 11:06:18,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 753. [2020-09-21 11:06:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-09-21 11:06:18,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 889 transitions. [2020-09-21 11:06:18,393 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 889 transitions. Word has length 103 [2020-09-21 11:06:18,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:18,393 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 889 transitions. [2020-09-21 11:06:18,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:06:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 889 transitions. [2020-09-21 11:06:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-21 11:06:18,396 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:18,396 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:06:18,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:06:18,396 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:18,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:18,397 INFO L82 PathProgramCache]: Analyzing trace with hash -867723262, now seen corresponding path program 1 times [2020-09-21 11:06:18,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:18,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259140749] [2020-09-21 11:06:18,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:18,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -32 [2020-09-21 11:06:18,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 32 [2020-09-21 11:06:18,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:06:18,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:06:18,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-21 11:06:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 11:06:18,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,706 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:18,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:18,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:18,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:18,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:18,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:18,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:18,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:18,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:18,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:18,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:18,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:18,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:18,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:18,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:18,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:18,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:18,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:18,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:18,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:06:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:18,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:18,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:06:18,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:06:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:18,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:18,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:18,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:06:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:18,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:06:18,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 11:06:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:06:18,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:18,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:18,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:06:18,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:18,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:06:18,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:18,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:06:18,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:06:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:18,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:18,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:18,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:18,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:18,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:06:18,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:06:18,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:18,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:18,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:18,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:18,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:18,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:18,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:18,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:18,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:18,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:18,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:06:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:19,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:19,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:19,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:19,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:19,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:19,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:19,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:19,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:19,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:06:19,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:19,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:19,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:19,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:19,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:19,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:19,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:19,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:19,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:19,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:19,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:19,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:19,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:06:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:19,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:19,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:19,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:19,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:19,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:19,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:19,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:19,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:19,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:06:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:19,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:19,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:19,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:19,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:19,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:19,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:19,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:06:19,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259140749] [2020-09-21 11:06:19,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:06:19,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:06:19,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926628139] [2020-09-21 11:06:19,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:06:19,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:19,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:06:19,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:06:19,089 INFO L87 Difference]: Start difference. First operand 753 states and 889 transitions. Second operand 13 states. [2020-09-21 11:06:19,879 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:20,598 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:21,665 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:22,040 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:22,360 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:22,671 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:22,997 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:23,327 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:23,618 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:23,933 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:24,294 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:24,704 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:26,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:26,717 INFO L93 Difference]: Finished difference Result 1548 states and 1897 transitions. [2020-09-21 11:06:26,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-21 11:06:26,718 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 107 [2020-09-21 11:06:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:26,723 INFO L225 Difference]: With dead ends: 1548 [2020-09-21 11:06:26,723 INFO L226 Difference]: Without dead ends: 819 [2020-09-21 11:06:26,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=253, Invalid=1007, Unknown=0, NotChecked=0, Total=1260 [2020-09-21 11:06:26,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2020-09-21 11:06:26,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 723. [2020-09-21 11:06:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-09-21 11:06:26,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 840 transitions. [2020-09-21 11:06:26,846 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 840 transitions. Word has length 107 [2020-09-21 11:06:26,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:26,847 INFO L479 AbstractCegarLoop]: Abstraction has 723 states and 840 transitions. [2020-09-21 11:06:26,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:06:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 840 transitions. [2020-09-21 11:06:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-21 11:06:26,851 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:26,851 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:26,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:06:26,852 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:26,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:26,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1713415852, now seen corresponding path program 1 times [2020-09-21 11:06:26,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:26,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985335255] [2020-09-21 11:06:26,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:26,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:26,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -127 [2020-09-21 11:06:26,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 127 [2020-09-21 11:06:26,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:26,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-21 11:06:26,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:26,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:06:26,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-21 11:06:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:06:26,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,237 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:27,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:27,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:27,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:06:27,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:27,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:06:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:06:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:06:27,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:27,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:27,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:27,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:27,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:27,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:27,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:27,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:27,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:06:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:06:27,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:06:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:27,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:27,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-21 11:06:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:27,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:06:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:06:27,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:06:27,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:06:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:06:27,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:27,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:27,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:27,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:06:27,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:27,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:06:27,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:06:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:27,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:06:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:06:27,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:06:27,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:06:27,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:27,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:06:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:06:27,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:27,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:27,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:27,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:27,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:27,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:27,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-21 11:06:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:27,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:27,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-21 11:06:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:27,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:27,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:27,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:27,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:27,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:27,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:27,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:27,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:27,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-21 11:06:27,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985335255] [2020-09-21 11:06:27,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:06:27,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:06:27,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345605338] [2020-09-21 11:06:27,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:06:27,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:27,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:06:27,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:06:27,744 INFO L87 Difference]: Start difference. First operand 723 states and 840 transitions. Second operand 14 states. [2020-09-21 11:06:28,237 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:28,966 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:29,932 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:30,309 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:30,663 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:30,970 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:31,345 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:31,659 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:32,786 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:33,403 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:06:34,000 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:06:34,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:34,932 INFO L93 Difference]: Finished difference Result 1310 states and 1605 transitions. [2020-09-21 11:06:34,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:06:34,932 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 176 [2020-09-21 11:06:34,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:34,934 INFO L225 Difference]: With dead ends: 1310 [2020-09-21 11:06:34,934 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:06:34,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=268, Invalid=992, Unknown=0, NotChecked=0, Total=1260 [2020-09-21 11:06:34,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:06:34,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:06:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:06:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:06:34,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2020-09-21 11:06:34,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:34,942 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:06:34,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:06:34,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:06:34,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:06:34,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:06:34,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:06:35,185 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:06:35,359 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:35,533 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:35,709 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:35,872 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:36,056 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:36,220 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:36,392 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:36,562 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:36,723 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:36,896 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:06:37,053 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:37,209 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:37,373 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:37,543 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:37,715 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:37,883 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:38,070 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:38,252 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:38,415 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193