/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --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_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:07:36,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:07:36,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:07:36,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:07:36,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:07:36,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:07:36,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:07:36,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:07:36,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:07:36,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:07:36,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:07:36,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:07:36,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:07:36,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:07:36,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:07:36,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:07:36,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:07:36,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:07:36,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:07:36,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:07:36,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:07:36,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:07:36,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:07:36,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:07:36,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:07:36,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:07:36,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:07:36,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:07:36,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:07:36,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:07:36,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:07:36,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:07:36,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:07:36,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:07:36,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:07:36,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:07:36,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:07:36,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:07:36,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:07:36,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:07:36,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:07:36,185 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 [2020-09-24 20:07:36,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:07:36,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:07:36,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:07:36,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:07:36,213 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:07:36,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:07:36,214 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:07:36,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:07:36,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:07:36,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:07:36,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:07:36,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:07:36,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:07:36,215 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:07:36,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:07:36,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:07:36,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:07:36,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:07:36,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:07:36,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:07:36,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:07:36,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:07:36,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:07:36,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:07:36,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:07:36,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:07:36,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:07:36,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:07:36,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:07:36,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:07:36,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:07:36,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:07:36,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:07:36,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:07:36,719 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:07:36,720 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c [2020-09-24 20:07:36,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4014f77cc/faedbd69bf5c47bf8f30c1a2394ee7a9/FLAG18a1b4a82 [2020-09-24 20:07:37,439 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:07:37,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product41.cil.c [2020-09-24 20:07:37,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4014f77cc/faedbd69bf5c47bf8f30c1a2394ee7a9/FLAG18a1b4a82 [2020-09-24 20:07:37,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4014f77cc/faedbd69bf5c47bf8f30c1a2394ee7a9 [2020-09-24 20:07:37,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:07:37,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:07:37,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:07:37,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:07:37,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:07:37,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:07:37" (1/1) ... [2020-09-24 20:07:37,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:37, skipping insertion in model container [2020-09-24 20:07:37,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:07:37" (1/1) ... [2020-09-24 20:07:37,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:07:37,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:07:38,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:07:38,213 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:07:38,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:07:38,349 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:07:38,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38 WrapperNode [2020-09-24 20:07:38,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:07:38,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:07:38,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:07:38,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:07:38,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38" (1/1) ... [2020-09-24 20:07:38,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38" (1/1) ... [2020-09-24 20:07:38,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38" (1/1) ... [2020-09-24 20:07:38,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38" (1/1) ... [2020-09-24 20:07:38,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38" (1/1) ... [2020-09-24 20:07:38,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38" (1/1) ... [2020-09-24 20:07:38,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38" (1/1) ... [2020-09-24 20:07:38,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:07:38,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:07:38,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:07:38,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:07:38,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38" (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 [2020-09-24 20:07:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:07:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:07:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:07:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:07:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:07:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:07:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:07:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:07:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:07:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:07:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:07:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:07:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:07:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:07:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:07:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:07:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:07:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:07:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:07:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:07:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 20:07:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:07:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:07:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:07:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:07:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:07:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:07:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:07:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:07:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:07:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:07:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:07:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:07:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:07:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:07:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:07:38,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:07:38,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 20:07:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:07:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:07:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:07:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:07:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:07:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:07:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:07:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:07:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:07:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:07:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:07:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:07:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:07:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:07:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:07:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:07:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:07:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:07:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:07:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:07:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:07:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:07:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:07:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:07:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:07:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:07:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:07:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:07:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:07:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:07:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:07:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:07:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:07:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:07:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 20:07:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 20:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:07:39,751 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:07:39,751 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:07:39,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:07:39 BoogieIcfgContainer [2020-09-24 20:07:39,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:07:39,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:07:39,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:07:39,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:07:39,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:07:37" (1/3) ... [2020-09-24 20:07:39,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf5004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:07:39, skipping insertion in model container [2020-09-24 20:07:39,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:07:38" (2/3) ... [2020-09-24 20:07:39,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf5004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:07:39, skipping insertion in model container [2020-09-24 20:07:39,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:07:39" (3/3) ... [2020-09-24 20:07:39,773 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product41.cil.c [2020-09-24 20:07:39,785 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:07:39,800 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:07:39,825 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:07:39,867 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:07:39,867 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:07:39,868 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:07:39,868 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:07:39,868 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:07:39,868 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:07:39,868 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:07:39,868 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:07:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-09-24 20:07:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 20:07:39,923 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:07:39,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:07:39,925 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:07:39,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:07:39,932 INFO L82 PathProgramCache]: Analyzing trace with hash -304356178, now seen corresponding path program 1 times [2020-09-24 20:07:39,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:07:39,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928998794] [2020-09-24 20:07:39,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:07:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:40,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:40,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:41,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:42,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:42,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:45,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:45,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 20:07:45,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:07:45,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-24 20:07:45,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:07:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 20:07:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 20:07:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 20:07:45,882 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:07:45,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:07:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:45,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:46,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:46,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:07:46,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:46,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-24 20:07:46,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:07:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 20:07:46,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:46,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:07:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:46,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:46,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:46,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:07:46,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:46,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:07:46,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:07:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:07:46,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:46,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:07:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:46,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:46,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:46,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:07:46,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:07:46,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:07:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:07:46,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:46,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:07:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:46,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:46,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:46,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:07:46,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:46,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:07:46,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:07:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:07:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:46,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:07:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:46,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:46,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:46,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:07:46,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:46,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:07:46,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:07:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:07:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:46,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:07:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:46,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:46,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:46,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:07:46,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:46,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:07:46,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:46,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:07:46,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:46,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:07:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:46,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 20:07:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:46,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:46,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:46,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:07:46,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:46,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:07:46,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:46,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:07:46,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:46,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:07:46,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:07:46,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928998794] [2020-09-24 20:07:46,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:07:46,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:07:46,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311375049] [2020-09-24 20:07:46,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:07:46,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:07:46,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:07:46,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:07:46,536 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 8 states. [2020-09-24 20:07:47,181 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:07:48,303 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:07:48,572 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:07:48,906 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:07:49,263 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:07:49,554 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:07:50,612 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:07:50,954 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:07:51,373 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:07:52,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:07:52,215 INFO L93 Difference]: Finished difference Result 560 states and 696 transitions. [2020-09-24 20:07:52,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 20:07:52,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 20:07:52,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:07:52,244 INFO L225 Difference]: With dead ends: 560 [2020-09-24 20:07:52,244 INFO L226 Difference]: Without dead ends: 376 [2020-09-24 20:07:52,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-24 20:07:52,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-09-24 20:07:52,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 334. [2020-09-24 20:07:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-09-24 20:07:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 382 transitions. [2020-09-24 20:07:52,385 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 382 transitions. Word has length 142 [2020-09-24 20:07:52,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:07:52,386 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 382 transitions. [2020-09-24 20:07:52,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:07:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 382 transitions. [2020-09-24 20:07:52,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 20:07:52,393 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:07:52,393 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:07:52,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:07:52,394 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:07:52,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:07:52,394 INFO L82 PathProgramCache]: Analyzing trace with hash -951257086, now seen corresponding path program 1 times [2020-09-24 20:07:52,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:07:52,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714088750] [2020-09-24 20:07:52,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:07:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:52,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:52,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:53,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:53,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:57,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:57,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 20:07:57,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:07:57,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-24 20:07:57,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:57,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 20:07:57,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-24 20:07:57,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 20:07:57,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:57,817 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:07:57,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:07:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:57,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:57,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:57,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:07:57,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 20:07:57,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:07:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:07:57,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:57,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:07:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:57,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:57,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:57,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:07:57,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:57,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:07:57,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:57,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:07:57,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:57,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:07:57,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:57,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:07:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:57,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:57,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:57,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:07:57,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:57,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:07:57,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:07:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:07:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:07:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:57,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:57,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:57,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:07:57,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:57,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:07:57,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:07:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:07:57,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:57,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:07:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:57,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:57,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:57,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:07:57,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:57,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:07:57,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:07:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:07:57,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:57,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 20:07:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:58,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:58,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:58,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:58,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:07:58,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:07:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-09-24 20:07:58,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:58,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 20:07:58,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:58,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 20:07:58,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:58,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:07:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:58,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:58,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:58,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:58,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:07:58,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:07:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 20:07:58,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:07:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:07:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:07:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:58,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:07:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:58,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:58,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:58,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:07:58,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:58,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:07:58,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:07:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:07:58,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:07:58,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:07:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:58,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:58,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:58,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:07:58,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:58,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 20:07:58,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:58,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 20:07:58,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:58,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 20:07:58,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:59,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:07:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:59,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:59,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:59,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:07:59,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:59,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 20:07:59,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:07:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 20:07:59,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:59,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:07:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:59,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:59,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:59,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:07:59,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:59,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:07:59,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:59,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:07:59,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:59,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:07:59,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:59,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:07:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:59,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:59,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:07:59,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:59,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:07:59,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:07:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:07:59,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:07:59,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 20:07:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:59,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:59,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:59,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:07:59,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:59,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:07:59,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:07:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:07:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:07:59,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 20:07:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:07:59,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:07:59,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:07:59,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:07:59,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:07:59,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:07:59,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:07:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:07:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:07:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:07:59,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:07:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 20:07:59,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714088750] [2020-09-24 20:07:59,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:07:59,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-24 20:07:59,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842187076] [2020-09-24 20:07:59,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 20:07:59,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:07:59,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 20:07:59,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2020-09-24 20:07:59,265 INFO L87 Difference]: Start difference. First operand 334 states and 382 transitions. Second operand 18 states. [2020-09-24 20:07:59,858 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:08:01,021 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:01,410 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:08:01,821 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:02,236 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:08:02,556 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:02,879 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:03,196 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:08:03,577 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:04,020 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:08:04,362 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:04,750 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:08:05,078 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:05,519 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:08:05,839 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:06,190 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:08:06,548 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:08:06,964 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:07,335 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:08:08,273 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:08,654 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:08:08,973 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:09,304 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:08:09,642 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:09,975 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:08:10,292 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:11,386 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:08:11,680 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:11,965 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:08:12,273 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:12,591 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:08:12,910 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:13,203 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:08:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:08:13,742 INFO L93 Difference]: Finished difference Result 883 states and 1173 transitions. [2020-09-24 20:08:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-24 20:08:13,745 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 198 [2020-09-24 20:08:13,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:08:13,760 INFO L225 Difference]: With dead ends: 883 [2020-09-24 20:08:13,761 INFO L226 Difference]: Without dead ends: 597 [2020-09-24 20:08:13,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=319, Invalid=2437, Unknown=0, NotChecked=0, Total=2756 [2020-09-24 20:08:13,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-09-24 20:08:13,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 500. [2020-09-24 20:08:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-09-24 20:08:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 570 transitions. [2020-09-24 20:08:13,874 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 570 transitions. Word has length 198 [2020-09-24 20:08:13,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:08:13,875 INFO L479 AbstractCegarLoop]: Abstraction has 500 states and 570 transitions. [2020-09-24 20:08:13,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 20:08:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 570 transitions. [2020-09-24 20:08:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-24 20:08:13,881 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:08:13,882 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:08:13,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:08:13,883 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:08:13,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:08:13,883 INFO L82 PathProgramCache]: Analyzing trace with hash -592249945, now seen corresponding path program 1 times [2020-09-24 20:08:13,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:08:13,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942054002] [2020-09-24 20:08:13,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:08:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:13,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:14,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:14,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:17,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:18,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:18,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:18,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-09-24 20:08:18,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:08:18,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 20:08:18,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 20:08:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:08:18,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 20:08:18,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:19,259 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:08:19,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:08:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:19,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:19,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:08:19,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-24 20:08:19,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:08:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:08:19,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:19,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:08:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:19,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:19,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:19,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:08:19,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:19,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:08:19,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:08:19,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:19,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:08:19,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:08:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:19,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:19,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:19,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:08:19,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:19,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:08:19,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:19,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:08:19,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:19,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:08:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:08:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:19,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:19,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:19,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:08:19,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:19,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:08:19,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:19,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:08:19,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:19,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:08:19,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:19,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:08:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:19,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:19,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:19,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:08:19,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:19,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:08:19,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:08:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:08:19,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:19,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:08:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:19,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:19,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:19,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:08:19,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:19,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:08:19,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:19,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:08:19,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:19,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:08:19,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:19,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:08:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:19,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:19,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:19,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:19,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 20:08:19,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:08:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-09-24 20:08:19,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:08:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:08:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:08:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:19,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:08:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:19,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:08:20,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 20:08:20,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:08:20,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:08:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:08:20,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:20,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:08:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:08:20,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 20:08:20,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:08:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:08:20,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:08:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:08:20,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:08:20,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:08:20,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:20,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:08:20,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:08:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:08:20,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:08:20,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:08:20,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:08:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:08:20,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:08:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:08:20,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:08:20,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:08:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:08:20,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:08:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:08:20,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:08:20,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:08:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:20,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:08:20,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:08:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:08:20,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:08:20,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:08:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:08:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 20:08:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:08:20,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:08:20,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:08:20,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 20:08:20,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:08:20,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:08:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:08:20,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:08:20,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:08:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:08:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 20:08:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:08:20,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:08:20,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:08:20,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:08:20,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:08:20,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:08:20,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-24 20:08:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:08:20,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:08:20,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:08:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:08:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:08:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-24 20:08:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:08:20,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:08:20,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:08:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:08:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:08:20,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-24 20:08:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:08:20,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:08:20,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:08:20,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:08:20,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:08:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:08:20,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:08:20,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:08:20,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:08:20,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:08:20,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:08:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-09-24 20:08:20,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942054002] [2020-09-24 20:08:20,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:08:20,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 20:08:20,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292729008] [2020-09-24 20:08:20,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 20:08:20,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:08:20,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 20:08:20,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-24 20:08:20,485 INFO L87 Difference]: Start difference. First operand 500 states and 570 transitions. Second operand 14 states. [2020-09-24 20:08:21,066 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:08:22,366 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:22,696 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:08:23,029 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:08:23,397 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:23,762 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:08:24,062 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:25,651 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:08:25,955 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:26,269 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:08:26,611 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:08:26,960 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:08:27,281 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:08:27,765 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:08:28,708 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:29,042 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:08:29,381 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:08:29,786 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:08:30,141 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:08:30,448 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188