/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:35:36,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:35:36,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:35:37,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:35:37,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:35:37,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:35:37,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:35:37,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:35:37,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:35:37,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:35:37,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:35:37,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:35:37,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:35:37,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:35:37,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:35:37,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:35:37,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:35:37,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:35:37,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:35:37,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:35:37,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:35:37,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:35:37,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:35:37,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:35:37,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:35:37,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:35:37,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:35:37,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:35:37,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:35:37,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:35:37,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:35:37,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:35:37,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:35:37,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:35:37,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:35:37,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:35:37,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:35:37,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:35:37,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:35:37,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:35:37,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:35:37,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:35:37,099 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:35:37,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:35:37,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:35:37,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:35:37,104 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:35:37,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:35:37,104 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:35:37,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:35:37,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:35:37,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:35:37,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:35:37,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:35:37,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:35:37,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:35:37,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:35:37,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:35:37,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:35:37,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:35:37,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:35:37,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:35:37,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:35:37,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:35:37,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:35:37,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:35:37,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:35:37,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:35:37,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:35:37,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:35:37,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:35:37,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:35:37,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:35:37,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:35:37,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:35:37,441 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:35:37,442 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:35:37,442 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c [2020-10-12 16:35:37,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/968b67196/8831b2b90dc1463cae1e422cb3dd9771/FLAG4e5c4d653 [2020-10-12 16:35:38,019 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:35:38,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product32.cil.c [2020-10-12 16:35:38,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/968b67196/8831b2b90dc1463cae1e422cb3dd9771/FLAG4e5c4d653 [2020-10-12 16:35:38,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/968b67196/8831b2b90dc1463cae1e422cb3dd9771 [2020-10-12 16:35:38,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:35:38,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:35:38,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:35:38,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:35:38,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:35:38,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:35:38" (1/1) ... [2020-10-12 16:35:38,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e88bac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:38, skipping insertion in model container [2020-10-12 16:35:38,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:35:38" (1/1) ... [2020-10-12 16:35:38,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:35:38,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:35:39,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:35:39,091 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:35:39,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:35:39,372 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:35:39,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39 WrapperNode [2020-10-12 16:35:39,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:35:39,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:35:39,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:35:39,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:35:39,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39" (1/1) ... [2020-10-12 16:35:39,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39" (1/1) ... [2020-10-12 16:35:39,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39" (1/1) ... [2020-10-12 16:35:39,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39" (1/1) ... [2020-10-12 16:35:39,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39" (1/1) ... [2020-10-12 16:35:39,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39" (1/1) ... [2020-10-12 16:35:39,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39" (1/1) ... [2020-10-12 16:35:39,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:35:39,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:35:39,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:35:39,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:35:39,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:35:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:35:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:35:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:35:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:35:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:35:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:35:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:35:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:35:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:35:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:35:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:35:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:35:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:35:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:35:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:35:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:35:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:35:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:35:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:35:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:35:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:35:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:35:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:35:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:35:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:35:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:35:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:35:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:35:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:35:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:35:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:35:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:35:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:35:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:35:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:35:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:35:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:35:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:35:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:35:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:35:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:35:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:35:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:35:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:35:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:35:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:35:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:35:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:35:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:35:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:35:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-12 16:35:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:35:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:35:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:35:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:35:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:35:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:35:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:35:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:35:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:35:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:35:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:35:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:35:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:35:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:35:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:35:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:35:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:35:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:35:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:35:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:35:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-12 16:35:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:35:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-12 16:35:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:35:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:35:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:35:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:35:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:35:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-12 16:35:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:35:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:35:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:35:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:35:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:35:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:35:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:35:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:35:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:35:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:35:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:35:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:35:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:35:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:35:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:35:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:35:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:35:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:35:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:35:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:35:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:35:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:35:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:35:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:35:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:35:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:35:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:35:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:35:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:35:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:35:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:35:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:35:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:35:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:35:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:35:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:35:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:35:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:35:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:35:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:35:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:35:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:35:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:35:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:35:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:35:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:35:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:35:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:35:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:35:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:35:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:35:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:35:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:35:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:35:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:35:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:35:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:35:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:35:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:35:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:35:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:35:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:35:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:35:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:35:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:35:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:35:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:35:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-12 16:35:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:35:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:35:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:35:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:35:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:35:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-12 16:35:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:35:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:35:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:35:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-12 16:35:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:35:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:35:39,645 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:35:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:35:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-12 16:35:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-12 16:35:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-12 16:35:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:35:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:35:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:35:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:35:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:35:41,724 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:35:41,724 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:35:41,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:35:41 BoogieIcfgContainer [2020-10-12 16:35:41,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:35:41,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:35:41,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:35:41,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:35:41,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:35:38" (1/3) ... [2020-10-12 16:35:41,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363f3403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:35:41, skipping insertion in model container [2020-10-12 16:35:41,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:35:39" (2/3) ... [2020-10-12 16:35:41,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363f3403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:35:41, skipping insertion in model container [2020-10-12 16:35:41,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:35:41" (3/3) ... [2020-10-12 16:35:41,743 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product32.cil.c [2020-10-12 16:35:41,751 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:35:41,759 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:35:41,773 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:35:41,799 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:35:41,799 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:35:41,799 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:35:41,799 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:35:41,800 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:35:41,800 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:35:41,800 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:35:41,800 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:35:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states. [2020-10-12 16:35:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-12 16:35:41,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:35:41,851 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:35:41,851 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:35:41,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:35:41,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1156947632, now seen corresponding path program 1 times [2020-10-12 16:35:41,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:35:41,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [111747185] [2020-10-12 16:35:41,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:35:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:42,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:42,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:42,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:43,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:46,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:47,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:47,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:47,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 16:35:47,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:35:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5080 [2020-10-12 16:35:47,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:35:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:35:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 16:35:47,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:35:48,655 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:35:48,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:35:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:48,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:48,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:48,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:48,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:48,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-12 16:35:48,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:35:48,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:48,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:35:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:48,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:48,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:48,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:35:48,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:48,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:48,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:35:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:48,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:35:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:48,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:48,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:48,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:35:48,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:48,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:35:48,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:35:48,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:35:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:35:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:48,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:48,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:48,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:48,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:48,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:35:48,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:48,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:48,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:35:48,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 16:35:48,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:35:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:48,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:48,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:48,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:35:48,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:48,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:48,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:48,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:48,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:35:48,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:49,091 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:35:49,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:35:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:49,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:49,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:49,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:49,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:49,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:49,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:35:49,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:35:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 775 [2020-10-12 16:35:49,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:35:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:35:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:35:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:49,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:35:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:49,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:49,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:49,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:49,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:35:49,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:35:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:35:49,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:35:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:35:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:35:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:49,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:35:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:49,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:49,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:49,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:50,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:50,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:35:50,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:35:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-12 16:35:50,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:35:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:35:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:35:50,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:50,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:35:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:50,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:50,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:50,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:35:50,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:50,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:35:50,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:35:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:35:50,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:50,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:35:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:50,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:50,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:50,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:50,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:50,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:50,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:50,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:35:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:35:50,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:35:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:50,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:50,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:50,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:35:50,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:50,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:35:50,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:50,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:50,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:35:50,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:50,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:50,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:35:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:50,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:50,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:50,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:35:50,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:50,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:50,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:50,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:50,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:50,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:50,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:35:50,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:35:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:50,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:50,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:50,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:50,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:50,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:50,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:50,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:35:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:50,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:35:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:50,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:50,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:50,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:50,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:50,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:35:50,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:50,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:50,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:35:50,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:50,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:35:50,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:35:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:50,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:50,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:50,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:50,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:50,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:50,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:35:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:50,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:35:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 16:35:50,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [111747185] [2020-10-12 16:35:50,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:35:50,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 16:35:50,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145829740] [2020-10-12 16:35:50,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 16:35:50,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:35:50,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 16:35:50,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-12 16:35:50,351 INFO L87 Difference]: Start difference. First operand 798 states. Second operand 14 states. [2020-10-12 16:35:52,136 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:35:53,366 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:35:54,243 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:35:55,355 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:35:56,222 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:35:57,166 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:35:58,133 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:35:59,163 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:36:15,731 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:36:18,269 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:19,157 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:20,158 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:21,054 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:21,917 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:22,801 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:36:23,712 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:36:35,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:36:35,242 INFO L93 Difference]: Finished difference Result 2318 states and 3904 transitions. [2020-10-12 16:36:35,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 16:36:35,244 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 87 [2020-10-12 16:36:35,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:36:35,285 INFO L225 Difference]: With dead ends: 2318 [2020-10-12 16:36:35,285 INFO L226 Difference]: Without dead ends: 1633 [2020-10-12 16:36:35,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=275, Invalid=1447, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 16:36:35,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2020-10-12 16:36:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1207. [2020-10-12 16:36:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-10-12 16:36:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1918 transitions. [2020-10-12 16:36:35,718 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1918 transitions. Word has length 87 [2020-10-12 16:36:35,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:36:35,719 INFO L479 AbstractCegarLoop]: Abstraction has 1207 states and 1918 transitions. [2020-10-12 16:36:35,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 16:36:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1918 transitions. [2020-10-12 16:36:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-12 16:36:35,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:36:35,744 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:36:35,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:36:35,744 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:36:35,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:36:35,745 INFO L82 PathProgramCache]: Analyzing trace with hash -509656509, now seen corresponding path program 1 times [2020-10-12 16:36:35,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:36:35,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886643942] [2020-10-12 16:36:35,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:36:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:35,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:35,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:36,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:36,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:37,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:38,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:40,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:40,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-12 16:36:40,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:36:40,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 16:36:40,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:36:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:36:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 16:36:40,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:41,785 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:36:41,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:36:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:41,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:41,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:41,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:41,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:41,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-12 16:36:41,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:36:41,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:41,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:36:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:41,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:41,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:36:41,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:41,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:41,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:41,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:41,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:36:41,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:41,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:36:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:41,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:41,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:36:41,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:41,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:36:41,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:41,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:36:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:41,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:41,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:41,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:41,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:41,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:41,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:41,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:41,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:41,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:36:41,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:41,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:36:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:41,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:41,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:41,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:36:41,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:41,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:41,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:41,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:36:41,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:42,146 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:36:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:36:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:42,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:42,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:42,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:42,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:42,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:42,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:42,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:36:42,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:36:42,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 733 [2020-10-12 16:36:42,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:36:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:36:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:36:42,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:42,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:42,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:42,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:42,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:42,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:36:42,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:36:42,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 16:36:42,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:42,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:36:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:36:42,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:42,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:36:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:43,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:43,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:43,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:43,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:43,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:36:43,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:36:43,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-12 16:36:43,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:43,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:36:43,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:36:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:36:43,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:43,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:36:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:43,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:43,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:43,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:43,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:43,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:36:43,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:43,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:36:43,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:43,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:36:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:36:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:43,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:43,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:43,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:43,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:43,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:36:43,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:36:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:36:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:43,511 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:36:43,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:36:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:43,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:43,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:43,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 16:36:44,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:36:44,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 943 [2020-10-12 16:36:44,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:36:44,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 16:36:44,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 16:36:44,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:44,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:44,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:36:44,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:44,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:36:44,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:36:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:36:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:44,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:36:44,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:36:44,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:44,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:44,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:44,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:44,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:44,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:44,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:36:44,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:44,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:44,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:36:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:44,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:44,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:36:44,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:36:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:36:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:44,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:36:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:36:44,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:44,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 16:36:44,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:36:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 16:36:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:44,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:44,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:36:44,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:44,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:36:44,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:36:44,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:44,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:36:44,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:44,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:44,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:44,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:44,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:36:44,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:36:44,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:44,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:36:44,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:44,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:36:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:44,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:36:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:36:44,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:36:44,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:36:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:44,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:44,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:44,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:36:44,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:44,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:36:44,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:44,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:36:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:36:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:36:44,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:45,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:36:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:45,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:45,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:45,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:36:45,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:45,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:36:45,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 16:36:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:45,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:45,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:36:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:45,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:45,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:45,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:36:45,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:45,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:36:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:45,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:45,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:36:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:45,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:45,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:45,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:45,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:45,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:45,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:45,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:36:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:45,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:45,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:36:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:45,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:45,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:45,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:45,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:36:45,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:36:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:45,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:45,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:36:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:36:45,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:36:45,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:36:45,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:36:45,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:36:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:36:45,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:36:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:36:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:36:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:36:45,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:36:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 16:36:45,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886643942] [2020-10-12 16:36:45,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:36:45,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 16:36:45,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385436461] [2020-10-12 16:36:45,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 16:36:45,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:36:45,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 16:36:45,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2020-10-12 16:36:45,142 INFO L87 Difference]: Start difference. First operand 1207 states and 1918 transitions. Second operand 28 states. [2020-10-12 16:36:47,485 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:36:48,836 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:36:49,894 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:36:50,868 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:36:51,903 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:36:52,862 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:36:53,869 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:36:54,940 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:36:56,088 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:36:58,556 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:36:59,485 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:37:00,433 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:37:00,702 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-12 16:37:01,683 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:37:02,579 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:37:04,382 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 393 DAG size of output: 391 [2020-10-12 16:37:06,426 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2020-10-12 16:37:07,422 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:37:09,168 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2020-10-12 16:37:10,985 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2020-10-12 16:37:11,916 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:37:12,862 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:37:14,616 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 396 DAG size of output: 394 [2020-10-12 16:37:16,411 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 397 DAG size of output: 395 [2020-10-12 16:37:16,907 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-10-12 16:37:18,720 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 391 DAG size of output: 389 [2020-10-12 16:37:18,926 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:37:19,903 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:37:22,074 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 393 DAG size of output: 391 [2020-10-12 16:37:23,929 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2020-10-12 16:37:25,157 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:37:26,194 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:37:27,385 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-10-12 16:37:28,125 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:37:30,116 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 393 DAG size of output: 391 [2020-10-12 16:37:31,746 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:37:34,735 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-12 16:37:35,730 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:37:36,591 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 16:37:36,744 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:37:37,630 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:37:38,503 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:37:38,960 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:37:39,720 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:37:40,902 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:37:41,822 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:37:43,594 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 394 DAG size of output: 392 [2020-10-12 16:37:44,680 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:37:45,119 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:37:46,456 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:37:47,405 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:37:48,974 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:37:49,404 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:37:50,450 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:37:52,193 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:37:53,049 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:37:54,200 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:37:55,080 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:37:55,313 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:37:57,290 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:37:58,582 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:37:59,490 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:38:00,376 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:38:01,338 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:38:02,477 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:38:03,801 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:04,671 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:38:04,933 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:38:05,579 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:38:06,578 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:38:08,166 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-10-12 16:38:10,288 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:38:12,029 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 16:38:20,975 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:38:22,486 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:23,086 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:38:23,261 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:38:24,162 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:38:28,434 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 393 DAG size of output: 391 [2020-10-12 16:38:29,828 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:38:30,549 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 16:38:30,739 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:38:31,660 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:33,368 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:34,437 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:38:36,756 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:39,474 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 16:38:40,378 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-12 16:38:42,465 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:38:46,647 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:38:47,532 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:38:48,459 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:50,127 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 393 DAG size of output: 391 [2020-10-12 16:38:52,112 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 393 DAG size of output: 391 [2020-10-12 16:38:53,314 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:54,181 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:38:55,100 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:38:55,422 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:38:56,363 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:38:56,711 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:38:56,905 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:38:57,799 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:39:02,164 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:03,030 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:03,965 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:39:04,287 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:39:04,447 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:39:05,321 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:08,118 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:39:08,433 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:39:08,595 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 16:39:09,472 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:39:10,411 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:39:11,362 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:39:12,475 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:39:13,094 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 16:39:14,730 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:39:22,749 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:39:23,843 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:39:27,472 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:39:30,699 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112