/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:19:12,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:19:12,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:19:12,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:19:12,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:19:12,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:19:12,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:19:12,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:19:12,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:19:12,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:19:12,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:19:12,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:19:12,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:19:12,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:19:12,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:19:12,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:19:12,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:19:12,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:19:12,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:19:12,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:19:12,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:19:12,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:19:12,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:19:12,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:19:12,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:19:12,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:19:12,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:19:12,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:19:12,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:19:12,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:19:12,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:19:12,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:19:12,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:19:12,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:19:12,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:19:12,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:19:12,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:19:12,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:19:12,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:19:12,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:19:12,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:19:12,815 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 [2020-10-27 02:19:12,846 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:19:12,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:19:12,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:19:12,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:19:12,848 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:19:12,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:19:12,849 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:19:12,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:19:12,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:19:12,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:19:12,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:19:12,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:19:12,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:19:12,850 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:19:12,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:19:12,850 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:19:12,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:19:12,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:19:12,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:19:12,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:19:12,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:19:12,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:19:12,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:19:12,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:19:12,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:19:12,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:19:12,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:19:12,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:19:12,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:19:12,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:19:13,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:19:13,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:19:13,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:19:13,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:19:13,233 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:19:13,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product26.cil.c [2020-10-27 02:19:13,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00a3bbb37/650b40ccbe35467785d040894842b391/FLAG32c3e63b3 [2020-10-27 02:19:14,007 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:19:14,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product26.cil.c [2020-10-27 02:19:14,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00a3bbb37/650b40ccbe35467785d040894842b391/FLAG32c3e63b3 [2020-10-27 02:19:14,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00a3bbb37/650b40ccbe35467785d040894842b391 [2020-10-27 02:19:14,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:19:14,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:19:14,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:19:14,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:19:14,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:19:14,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:19:14" (1/1) ... [2020-10-27 02:19:14,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414f7d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:14, skipping insertion in model container [2020-10-27 02:19:14,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:19:14" (1/1) ... [2020-10-27 02:19:14,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:19:14,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:19:15,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:19:15,026 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:19:15,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:19:15,279 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:19:15,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15 WrapperNode [2020-10-27 02:19:15,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:19:15,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:19:15,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:19:15,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:19:15,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15" (1/1) ... [2020-10-27 02:19:15,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15" (1/1) ... [2020-10-27 02:19:15,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15" (1/1) ... [2020-10-27 02:19:15,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15" (1/1) ... [2020-10-27 02:19:15,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15" (1/1) ... [2020-10-27 02:19:15,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15" (1/1) ... [2020-10-27 02:19:15,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15" (1/1) ... [2020-10-27 02:19:15,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:19:15,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:19:15,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:19:15,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:19:15,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15" (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 [2020-10-27 02:19:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:19:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:19:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:19:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:19:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:19:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:19:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:19:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:19:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:19:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:19:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:19:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:19:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:19:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:19:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:19:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:19:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:19:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:19:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:19:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:19:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:19:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:19:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:19:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:19:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:19:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:19:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:19:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:19:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:19:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:19:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:19:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:19:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:19:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:19:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:19:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:19:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:19:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:19:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:19:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:19:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:19:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:19:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:19:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:19:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-27 02:19:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:19:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-27 02:19:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:19:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:19:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:19:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:19:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:19:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:19:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:19:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:19:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:19:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:19:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:19:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:19:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:19:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:19:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:19:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:19:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:19:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:19:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:19:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:19:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:19:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:19:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:19:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:19:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:19:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:19:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:19:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:19:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:19:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:19:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:19:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:19:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:19:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:19:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:19:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:19:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:19:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:19:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:19:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:19:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:19:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:19:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:19:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:19:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:19:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:19:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:19:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:19:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:19:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:19:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:19:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:19:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:19:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:19:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:19:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:19:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:19:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:19:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:19:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:19:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:19:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:19:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:19:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:19:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:19:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:19:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:19:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:19:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:19:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:19:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:19:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:19:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:19:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:19:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:19:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:19:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:19:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:19:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:19:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:19:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:19:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:19:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:19:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:19:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:19:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:19:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:19:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:19:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:19:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:19:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:19:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:19:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:19:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:19:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:19:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:19:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:19:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-27 02:19:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:19:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-27 02:19:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:19:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:19:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:19:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:19:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:19:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:19:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:19:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:19:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:19:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:19:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:19:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:19:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:19:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:19:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:19:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:19:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:19:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:19:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:19:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:19:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:19:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:19:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:19:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:19:18,016 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:19:18,016 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:19:18,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:19:18 BoogieIcfgContainer [2020-10-27 02:19:18,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:19:18,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:19:18,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:19:18,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:19:18,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:19:14" (1/3) ... [2020-10-27 02:19:18,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748c866c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:19:18, skipping insertion in model container [2020-10-27 02:19:18,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:19:15" (2/3) ... [2020-10-27 02:19:18,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748c866c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:19:18, skipping insertion in model container [2020-10-27 02:19:18,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:19:18" (3/3) ... [2020-10-27 02:19:18,030 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product26.cil.c [2020-10-27 02:19:18,041 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:19:18,047 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:19:18,060 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:19:18,091 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:19:18,091 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:19:18,092 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:19:18,092 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:19:18,092 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:19:18,092 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:19:18,092 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:19:18,092 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:19:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states. [2020-10-27 02:19:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 02:19:18,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:19:18,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:19:18,145 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:19:18,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:19:18,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1365141085, now seen corresponding path program 1 times [2020-10-27 02:19:18,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:19:18,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535718109] [2020-10-27 02:19:18,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:19:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:18,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:19,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:19,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:19,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:21,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:22,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:23,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:23,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 02:19:23,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:19:23,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:19:23,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:23,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:19:23,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:19:23,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 02:19:23,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:19:24,673 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:19:24,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:19:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:24,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:24,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:24,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:24,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:24,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-27 02:19:24,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:24,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:24,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:24,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:19:24,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:24,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:19:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:24,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:24,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:24,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:19:24,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:19:24,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:19:24,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:24,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:19:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:24,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:24,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:24,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:19:24,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:24,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:19:24,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:19:24,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:24,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:19:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:24,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:24,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:24,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:24,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:24,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:19:24,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:19:24,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:24,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:19:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:24,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:24,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:24,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:19:24,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:24,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:19:24,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:24,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:24,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:24,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:19:24,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:24,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:19:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:24,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:25,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:25,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:25,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:25,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:19:25,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:25,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:25,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:25,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:19:25,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:25,226 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:19:25,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:19:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:25,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:25,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:25,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:25,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:25,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:26,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:29,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:29,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 02:19:29,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:19:29,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4188 [2020-10-27 02:19:29,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:19:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:19:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 02:19:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:29,664 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:19:29,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:19:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:29,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:29,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:29,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:29,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:30,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:19:30,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:19:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 693 [2020-10-27 02:19:30,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:19:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:19:30,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:19:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:30,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:30,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:19:30,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:19:30,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:19:30,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:19:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:19:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:30,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:19:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:30,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:30,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:19:30,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:19:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:19:30,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:19:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:19:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:30,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:19:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:30,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:30,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:19:30,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:30,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:19:30,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:19:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:19:30,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:30,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:19:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:30,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:30,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:19:30,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:19:30,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 02:19:30,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:19:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:19:30,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 02:19:30,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:19:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:30,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:30,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:19:30,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:30,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 02:19:30,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:19:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:19:30,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 02:19:30,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:19:30,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:19:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:30,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:30,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:30,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:30,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:19:30,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:19:30,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:19:30,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:19:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:30,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:19:30,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:19:30,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:19:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:30,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:19:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:30,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:30,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:30,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:30,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:30,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:19:30,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:30,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:19:30,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:19:30,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:19:30,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535718109] [2020-10-27 02:19:30,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:19:30,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 02:19:30,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471346974] [2020-10-27 02:19:30,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:19:30,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:19:30,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:19:30,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:19:30,962 INFO L87 Difference]: Start difference. First operand 778 states. Second operand 11 states. [2020-10-27 02:19:33,040 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:19:33,690 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:19:35,407 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:19:39,131 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:19:41,770 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:19:46,092 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:20:00,820 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:20:02,025 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:20:02,555 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:20:22,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:20:22,854 INFO L93 Difference]: Finished difference Result 2441 states and 4333 transitions. [2020-10-27 02:20:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 02:20:22,860 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2020-10-27 02:20:22,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:20:22,908 INFO L225 Difference]: With dead ends: 2441 [2020-10-27 02:20:22,908 INFO L226 Difference]: Without dead ends: 1871 [2020-10-27 02:20:22,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=228, Invalid=528, Unknown=0, NotChecked=0, Total=756 [2020-10-27 02:20:22,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-10-27 02:20:23,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1091. [2020-10-27 02:20:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-10-27 02:20:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1778 transitions. [2020-10-27 02:20:23,446 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1778 transitions. Word has length 86 [2020-10-27 02:20:23,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:20:23,448 INFO L481 AbstractCegarLoop]: Abstraction has 1091 states and 1778 transitions. [2020-10-27 02:20:23,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:20:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1778 transitions. [2020-10-27 02:20:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-27 02:20:23,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:20:23,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:20:23,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:20:23,466 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:20:23,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:20:23,467 INFO L82 PathProgramCache]: Analyzing trace with hash -203984138, now seen corresponding path program 1 times [2020-10-27 02:20:23,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:20:23,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532994432] [2020-10-27 02:20:23,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:20:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:23,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:23,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:23,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:23,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:25,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:28,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:28,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-27 02:20:28,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:20:28,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 02:20:28,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 02:20:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:20:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 02:20:28,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:29,794 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:20:29,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:20:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:29,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:29,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:29,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:29,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:29,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 02:20:29,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:29,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:20:29,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:29,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:20:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:29,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:29,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:29,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:20:29,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:29,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:29,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:20:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:29,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:29,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:29,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:20:29,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:29,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:29,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:20:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:29,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:29,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:29,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:29,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:29,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:29,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:29,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:29,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:20:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:29,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:29,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:29,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:20:29,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:29,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:29,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:20:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:29,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:29,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:29,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:29,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:29,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:29,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:29,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:30,242 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:20:30,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:20:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:30,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:30,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:30,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:30,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:31,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:31,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:31,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:32,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:33,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:35,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:35,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-27 02:20:35,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:20:35,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 02:20:35,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:20:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:35,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:35,394 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:20:35,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:20:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:35,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:35,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:35,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:35,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:35,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:35,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:20:35,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:20:35,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-27 02:20:35,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:35,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:20:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:35,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:35,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:35,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:35,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:35,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:35,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:35,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:20:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:20:35,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:35,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:20:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:35,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:35,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:35,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:20:35,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:20:35,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:20:35,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:20:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:20:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:36,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:20:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:36,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:36,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:36,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:36,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:36,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:36,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:20:36,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:36,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:20:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:36,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:36,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:36,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:36,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:36,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:41,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:41,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 02:20:41,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:20:41,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:20:41,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:20:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:20:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 02:20:41,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:41,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:41,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:41,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:41,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:41,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:41,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:44,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:44,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 02:20:44,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:20:44,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3406 [2020-10-27 02:20:44,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:20:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 02:20:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 02:20:44,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:44,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:44,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:44,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:44,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:44,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:44,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:44,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:44,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:44,795 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:20:44,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:20:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:44,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:44,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:44,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:44,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:44,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:45,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:45,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:20:45,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:20:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 809 [2020-10-27 02:20:45,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 02:20:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:45,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:45,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:45,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:45,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:20:45,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:45,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:45,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:45,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:45,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:45,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:45,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:45,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:45,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:45,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:45,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:45,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:45,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:45,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:20:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:45,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:45,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:45,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:20:45,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:45,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:45,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:20:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:45,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:45,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:45,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:20:45,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:20:45,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:45,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 02:20:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:45,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:45,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:45,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:20:45,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:20:45,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:20:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:20:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:20:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:45,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:45,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:45,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:45,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:45,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:45,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:45,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:20:46,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532994432] [2020-10-27 02:20:46,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:20:46,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-27 02:20:46,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021034975] [2020-10-27 02:20:46,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:20:46,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:20:46,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:20:46,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:20:46,036 INFO L87 Difference]: Start difference. First operand 1091 states and 1778 transitions. Second operand 20 states. [2020-10-27 02:20:48,488 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:20:48,961 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:20:50,295 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:20:51,555 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:20:52,974 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:20:55,026 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 02:20:55,621 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:20:56,828 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:20:57,085 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:20:57,511 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:20:59,853 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:21:02,817 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 424 DAG size of output: 421 [2020-10-27 02:21:05,700 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 424 DAG size of output: 421 [2020-10-27 02:21:08,355 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 424 DAG size of output: 421 [2020-10-27 02:21:09,967 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-27 02:21:10,296 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:21:11,717 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:21:13,109 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:21:13,785 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:21:14,018 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 02:21:15,339 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 02:21:18,484 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:21:19,304 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:21:21,414 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:21:22,346 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:21:25,165 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:21:26,391 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:21:28,892 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:21:29,088 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:21:29,379 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:21:29,556 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 02:21:32,283 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:21:33,017 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:21:35,201 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:21:35,399 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:21:37,825 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:21:39,590 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:21:40,820 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:21:42,320 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:21:43,578 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:21:44,988 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:21:46,227 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:21:47,197 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 02:21:47,390 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:21:47,669 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:21:49,228 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 02:21:49,920 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:21:51,595 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:21:55,065 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 02:22:00,985 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:22:07,035 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:22:09,443 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:22:19,331 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:22:21,276 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112