/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:54:28,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:54:28,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:54:28,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:54:28,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:54:28,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:54:28,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:54:28,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:54:28,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:54:28,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:54:28,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:54:28,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:54:28,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:54:28,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:54:28,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:54:28,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:54:28,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:54:28,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:54:28,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:54:28,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:54:28,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:54:28,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:54:28,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:54:28,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:54:28,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:54:28,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:54:28,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:54:28,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:54:28,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:54:28,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:54:28,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:54:28,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:54:28,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:54:28,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:54:28,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:54:28,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:54:28,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:54:28,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:54:28,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:54:28,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:54:28,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:54:28,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:54:28,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:54:28,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:54:28,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:54:28,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:54:28,525 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:54:28,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:54:28,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:54:28,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:54:28,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:54:28,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:54:28,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:54:28,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:54:28,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:54:28,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:54:28,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:54:28,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:54:28,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:54:28,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:54:28,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:54:28,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:54:28,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:54:28,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:54:28,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:54:28,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:54:28,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:54:28,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:54:28,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:54:28,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:54:28,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:54:28,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:54:28,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:54:28,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:54:28,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:54:28,860 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:54:28,861 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:54:28,861 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c [2020-10-12 16:54:28,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55916d2d7/de18c8cd240e441b8bc6a1869906006d/FLAG921350271 [2020-10-12 16:54:29,538 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:54:29,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c [2020-10-12 16:54:29,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55916d2d7/de18c8cd240e441b8bc6a1869906006d/FLAG921350271 [2020-10-12 16:54:29,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55916d2d7/de18c8cd240e441b8bc6a1869906006d [2020-10-12 16:54:29,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:54:29,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:54:29,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:54:29,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:54:29,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:54:29,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:54:29" (1/1) ... [2020-10-12 16:54:29,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f349d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:29, skipping insertion in model container [2020-10-12 16:54:29,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:54:29" (1/1) ... [2020-10-12 16:54:29,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:54:29,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:54:30,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:54:30,524 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:54:30,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:54:30,723 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:54:30,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30 WrapperNode [2020-10-12 16:54:30,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:54:30,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:54:30,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:54:30,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:54:30,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30" (1/1) ... [2020-10-12 16:54:30,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30" (1/1) ... [2020-10-12 16:54:30,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30" (1/1) ... [2020-10-12 16:54:30,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30" (1/1) ... [2020-10-12 16:54:30,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30" (1/1) ... [2020-10-12 16:54:30,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30" (1/1) ... [2020-10-12 16:54:30,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30" (1/1) ... [2020-10-12 16:54:30,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:54:30,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:54:30,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:54:30,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:54:30,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:54:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:54:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:54:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:54:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:54:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:54:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:54:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:54:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:54:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:54:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:54:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:54:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:54:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:54:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:54:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:54:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:54:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:54:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:54:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:54:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:54:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:54:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:54:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:54:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:54:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:54:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:54:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:54:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:54:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-12 16:54:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-12 16:54:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-12 16:54:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-12 16:54:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:54:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:54:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:54:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:54:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:54:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:54:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:54:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:54:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:54:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:54:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:54:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:54:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:54:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:54:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:54:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:54:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:54:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:54:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:54:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:54:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:54:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:54:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:54:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:54:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:54:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:54:31,017 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:54:31,017 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:54:31,017 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:54:31,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:54:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:54:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:54:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:54:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:54:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:54:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:54:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:54:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:54:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:54:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:54:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:54:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:54:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:54:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:54:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:54:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:54:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:54:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:54:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:54:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:54:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:54:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:54:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:54:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:54:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:54:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:54:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:54:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:54:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:54:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:54:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:54:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:54:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:54:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:54:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:54:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:54:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:54:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:54:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:54:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:54:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:54:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:54:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:54:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-12 16:54:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-12 16:54:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:54:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:54:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:54:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:54:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:54:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:54:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:54:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:54:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:54:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:54:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:54:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:54:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:54:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:54:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:54:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:54:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:54:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:54:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:54:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:54:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:54:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:54:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:54:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:54:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:54:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:54:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:54:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-12 16:54:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-12 16:54:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:54:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:54:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:54:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:54:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:54:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:54:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:54:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:54:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:54:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:54:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:54:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:54:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:54:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:54:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:54:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:54:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:54:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:54:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:54:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:54:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:54:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:54:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:54:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:54:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:54:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:54:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:54:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:54:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:54:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:54:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:54:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:54:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:54:33,451 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:54:33,452 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:54:33,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:54:33 BoogieIcfgContainer [2020-10-12 16:54:33,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:54:33,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:54:33,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:54:33,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:54:33,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:54:29" (1/3) ... [2020-10-12 16:54:33,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14874613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:54:33, skipping insertion in model container [2020-10-12 16:54:33,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:54:30" (2/3) ... [2020-10-12 16:54:33,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14874613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:54:33, skipping insertion in model container [2020-10-12 16:54:33,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:54:33" (3/3) ... [2020-10-12 16:54:33,471 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product11.cil.c [2020-10-12 16:54:33,482 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:54:33,491 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:54:33,505 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:54:33,536 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:54:33,536 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:54:33,536 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:54:33,536 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:54:33,536 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:54:33,537 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:54:33,537 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:54:33,537 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:54:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states. [2020-10-12 16:54:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-12 16:54:33,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:54:33,601 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-12 16:54:33,602 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:54:33,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:54:33,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1577724025, now seen corresponding path program 1 times [2020-10-12 16:54:33,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:54:33,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57635249] [2020-10-12 16:54:33,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:54:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:34,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:34,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:34,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:35,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:36,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:38,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:39,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:39,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 16:54:39,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:54:39,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5860 [2020-10-12 16:54:39,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:54:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:54:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 16:54:39,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:54:40,949 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:54:40,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:54:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:41,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:41,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:41,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-12 16:54:41,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:54:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:41,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:54:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:41,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:41,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:54:41,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:54:41,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:41,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:54:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:41,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:54:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:41,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:41,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:54:41,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:41,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:54:41,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:41,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:54:41,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:41,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:54:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:41,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:41,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:41,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:41,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:54:41,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:41,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:54:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:41,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:54:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:41,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:41,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:54:41,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:54:41,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:41,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:41,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:54:41,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:41,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:54:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:41,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:41,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:41,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:41,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:54:41,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:41,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:54:41,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:41,459 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 16:54:41,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:54:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:41,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:43,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:46,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:46,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 16:54:46,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:54:46,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 16:54:46,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:54:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 16:54:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 16:54:46,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:46,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:54:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:46,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:46,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:46,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:46,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:47,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:47,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:54:47,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:54:47,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-12 16:54:47,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:54:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:54:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:54:47,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:47,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:47,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:47,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:47,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:47,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:54:47,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:54:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:54:47,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:54:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:54:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:54:47,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:54:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:47,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:47,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:47,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:47,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:47,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:54:47,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:54:47,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 16:54:47,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:54:47,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:54:47,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:54:47,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:54:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:54:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:47,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:47,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:54:47,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:54:47,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:54:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:54:47,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:54:47,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:54:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:47,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:47,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:47,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:49,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:51,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:51,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 16:54:51,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:54:51,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3446 [2020-10-12 16:54:51,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:51,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:54:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 16:54:51,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 16:54:51,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:54:51,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:51,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:51,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:51,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-12 16:54:53,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:54:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1985 [2020-10-12 16:54:53,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:54:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 16:54:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 16:54:53,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:54:53,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:54:53,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 16:54:53,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:54:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:54:53,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:54:53,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:54:53,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:54:53,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:54:53,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:54:53,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:54:53,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:54:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:54:53,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:54:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:53,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:54:53,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:54:53,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:54:53,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:54:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:54:53,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:54:53,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:54:53,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 16:54:53,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:54:53,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:54:53,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:54:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:54:53,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:54:53,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:54:53,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:54:53,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:54:53,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:54:53,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:54:53,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:54:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:53,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:54:53,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:54:53,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:54:53,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:54:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:54:53,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:54:53,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:54:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:54:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:54:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:54:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:54:53,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:54:53,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:54:53,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:54:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 16:54:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:54:53,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:54:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:54:53,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:54:53,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:54:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:54:53,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:54:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:54:53,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:54:53,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:54:53,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:54:53,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:54:53,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:54:53,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:54:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:54:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:54:53,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:54:53,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:54:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 16:54:53,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57635249] [2020-10-12 16:54:53,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:54:53,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 16:54:53,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564180332] [2020-10-12 16:54:53,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 16:54:53,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:54:53,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 16:54:53,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2020-10-12 16:54:53,860 INFO L87 Difference]: Start difference. First operand 756 states. Second operand 28 states. [2020-10-12 16:54:56,683 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:54:58,261 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:54:59,167 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:00,012 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:00,924 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:55:01,771 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:55:02,691 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:03,650 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:55:04,641 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:55:06,976 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:55:07,740 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:55:08,954 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:55:09,814 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:55:10,090 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:55:12,823 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:55:15,759 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:55:17,402 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 396 DAG size of output: 391 [2020-10-12 16:55:17,910 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:55:19,093 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:55:19,931 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:55:22,918 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 394 DAG size of output: 391 [2020-10-12 16:55:23,824 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:55:26,082 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 16:55:26,687 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 16:55:27,818 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:55:29,042 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:55:29,973 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:55:30,809 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:55:31,151 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:55:31,573 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 16:55:33,364 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:55:34,193 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:55:35,376 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:55:39,039 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 16:55:39,925 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 16:55:40,086 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:55:40,569 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:55:51,208 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:55:51,979 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:55:52,260 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:55:53,815 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:56:05,053 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:56:05,536 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 16:56:20,681 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:56:21,508 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:56:21,867 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 16:56:23,510 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:56:34,868 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 16:56:53,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:56:53,287 INFO L93 Difference]: Finished difference Result 3846 states and 7510 transitions. [2020-10-12 16:56:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2020-10-12 16:56:53,290 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 135 [2020-10-12 16:56:53,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:56:53,358 INFO L225 Difference]: With dead ends: 3846 [2020-10-12 16:56:53,359 INFO L226 Difference]: Without dead ends: 3201 [2020-10-12 16:56:53,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4754 ImplicationChecksByTransitivity, 33.4s TimeCoverageRelationStatistics Valid=2099, Invalid=12421, Unknown=0, NotChecked=0, Total=14520 [2020-10-12 16:56:53,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2020-10-12 16:56:54,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 1546. [2020-10-12 16:56:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1546 states. [2020-10-12 16:56:54,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2473 transitions. [2020-10-12 16:56:54,093 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2473 transitions. Word has length 135 [2020-10-12 16:56:54,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:56:54,094 INFO L479 AbstractCegarLoop]: Abstraction has 1546 states and 2473 transitions. [2020-10-12 16:56:54,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 16:56:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2473 transitions. [2020-10-12 16:56:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 16:56:54,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:56:54,110 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-12 16:56:54,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:56:54,111 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:56:54,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:56:54,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1737994107, now seen corresponding path program 1 times [2020-10-12 16:56:54,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:56:54,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193694448] [2020-10-12 16:56:54,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:56:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:56:54,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:54,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:54,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:54,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:54,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:55,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:56:59,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:56:59,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 16:56:59,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:56:59,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-12 16:56:59,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:56:59,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 16:56:59,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:56:59,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 16:56:59,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:56:59,998 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:56:59,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:57:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:00,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:00,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:00,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:57:00,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:00,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 16:57:00,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:57:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:57:00,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:57:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:00,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:00,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:00,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:57:00,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:00,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:57:00,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:57:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:00,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:57:00,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:57:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:00,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:00,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:00,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:57:00,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:57:00,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:57:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:57:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:57:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:00,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:00,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:00,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:57:00,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:57:00,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:57:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:57:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:00,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:57:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:00,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:00,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:00,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:57:00,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:57:00,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:57:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:57:00,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:57:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:00,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:00,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:00,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:57:00,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:00,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:57:00,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:57:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:57:00,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:00,323 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 16:57:00,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:57:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:00,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:04,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:04,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:05,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-12 16:57:05,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:57:05,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 16:57:05,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 16:57:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-12 16:57:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 16:57:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:05,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:57:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:05,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:05,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:57:05,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:57:05,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-12 16:57:05,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:05,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:57:05,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:57:05,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:57:05,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:05,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:57:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:05,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:05,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:57:05,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:57:05,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:57:05,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:57:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:57:05,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:05,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:57:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:05,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:05,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:57:05,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:57:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 16:57:05,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:57:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:57:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:57:05,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:05,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:57:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:05,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:05,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:05,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:57:05,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:05,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:57:05,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:05,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:57:05,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:05,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:57:05,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:06,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:57:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:06,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:06,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:07,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:07,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 16:57:07,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:57:07,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1653 [2020-10-12 16:57:07,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 16:57:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 16:57:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 16:57:07,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:07,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:57:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:07,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:07,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:08,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:08,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 16:57:08,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:57:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1062 [2020-10-12 16:57:08,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 16:57:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 16:57:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 16:57:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:08,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:57:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:08,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:08,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:08,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:57:08,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:08,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 16:57:08,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:08,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:57:08,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:08,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:57:08,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:08,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:57:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:08,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:08,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:08,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:57:08,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:08,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:57:08,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:57:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:08,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:57:08,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:08,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:57:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:08,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:08,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:08,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:57:08,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:08,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:57:08,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:57:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:57:08,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:08,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:57:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:08,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:08,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:08,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:57:08,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:57:08,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:57:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:57:08,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:08,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:57:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:08,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:08,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:08,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:57:08,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:08,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 16:57:08,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:57:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 16:57:08,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:09,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:57:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:09,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:09,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:09,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:57:09,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:09,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:57:09,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:09,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:57:09,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:09,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:57:09,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:09,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:57:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:09,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:09,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:09,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:57:09,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:09,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:57:09,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:09,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:57:09,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:09,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:57:09,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:09,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:57:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:09,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:09,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:09,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:57:09,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:09,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:57:09,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:57:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:57:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:57:09,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:57:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:09,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:09,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:09,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:57:09,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:09,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:57:09,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:57:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:57:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:57:09,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:09,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:57:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:09,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:09,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:09,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 16:57:09,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:09,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:57:09,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:57:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 16:57:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:57:09,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:09,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:57:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:09,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:09,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:09,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:57:09,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:09,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:57:09,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:57:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:57:09,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:09,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:57:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:57:09,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:57:09,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:57:09,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:57:09,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:57:09,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:57:09,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:57:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:57:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:57:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:57:09,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:57:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 16:57:09,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193694448] [2020-10-12 16:57:09,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:57:09,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 16:57:09,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133501070] [2020-10-12 16:57:09,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 16:57:09,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:57:09,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 16:57:09,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2020-10-12 16:57:09,520 INFO L87 Difference]: Start difference. First operand 1546 states and 2473 transitions. Second operand 30 states. [2020-10-12 16:57:11,961 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:57:12,505 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:57:13,608 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:57:14,549 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:57:15,379 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:57:16,248 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:57:17,120 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:57:18,202 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:57:20,913 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:57:22,229 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:57:23,075 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:57:23,914 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:57:24,893 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:57:25,708 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:57:26,674 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:57:27,945 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:57:28,914 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:57:29,808 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:57:30,706 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:57:31,643 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:57:32,612 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:57:33,586 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:57:34,764 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:57:35,736 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:57:36,954 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:57:37,292 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 16:57:37,715 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 16:57:38,015 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 16:57:38,477 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 16:57:40,093 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 401 DAG size of output: 400 [2020-10-12 16:57:40,939 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:57:42,025 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:57:43,730 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 402 DAG size of output: 401 [2020-10-12 16:57:44,565 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:57:45,718 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:57:46,635 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:57:48,011 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:57:58,958 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 403 DAG size of output: 402 [2020-10-12 16:58:02,092 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 404 DAG size of output: 403 [2020-10-12 16:58:04,796 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 394 DAG size of output: 393 [2020-10-12 16:58:07,082 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 396 DAG size of output: 395 [2020-10-12 16:58:08,988 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 393 DAG size of output: 392 [2020-10-12 16:58:10,885 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2020-10-12 16:58:12,505 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 403 DAG size of output: 392 [2020-10-12 16:58:14,219 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 404 DAG size of output: 394