/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_spec13_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:31:45,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:31:45,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:31:45,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:31:45,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:31:45,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:31:45,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:31:45,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:31:45,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:31:45,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:31:45,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:31:45,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:31:45,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:31:45,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:31:45,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:31:45,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:31:45,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:31:45,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:31:45,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:31:45,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:31:45,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:31:45,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:31:45,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:31:45,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:31:45,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:31:45,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:31:45,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:31:45,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:31:45,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:31:45,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:31:45,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:31:45,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:31:45,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:31:45,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:31:45,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:31:45,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:31:45,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:31:45,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:31:45,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:31:45,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:31:45,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:31:45,340 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 16:31:45,384 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:31:45,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:31:45,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:31:45,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:31:45,387 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:31:45,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:31:45,388 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:31:45,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:31:45,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:31:45,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:31:45,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:31:45,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:31:45,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:31:45,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:31:45,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:31:45,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:31:45,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:31:45,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:31:45,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:31:45,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:31:45,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:31:45,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:31:45,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:31:45,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:31:45,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:31:45,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:31:45,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:31:45,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:31:45,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:31:45,394 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 16:31:45,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:31:45,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:31:45,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:31:45,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:31:45,694 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:31:45,695 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec13_product23.cil.c [2020-10-12 16:31:45,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f843ab432/33563f79f69647bdb98092d76aa1ff9c/FLAG6db5842d7 [2020-10-12 16:31:46,344 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:31:46,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec13_product23.cil.c [2020-10-12 16:31:46,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f843ab432/33563f79f69647bdb98092d76aa1ff9c/FLAG6db5842d7 [2020-10-12 16:31:46,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f843ab432/33563f79f69647bdb98092d76aa1ff9c [2020-10-12 16:31:46,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:31:46,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:31:46,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:31:46,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:31:46,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:31:46,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:31:46" (1/1) ... [2020-10-12 16:31:46,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c454e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:46, skipping insertion in model container [2020-10-12 16:31:46,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:31:46" (1/1) ... [2020-10-12 16:31:46,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:31:46,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:31:47,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:31:47,404 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:31:47,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:31:47,592 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:31:47,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47 WrapperNode [2020-10-12 16:31:47,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:31:47,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:31:47,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:31:47,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:31:47,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47" (1/1) ... [2020-10-12 16:31:47,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47" (1/1) ... [2020-10-12 16:31:47,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47" (1/1) ... [2020-10-12 16:31:47,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47" (1/1) ... [2020-10-12 16:31:47,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47" (1/1) ... [2020-10-12 16:31:47,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47" (1/1) ... [2020-10-12 16:31:47,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47" (1/1) ... [2020-10-12 16:31:47,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:31:47,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:31:47,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:31:47,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:31:47,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47" (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 16:31:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:31:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:31:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:31:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:31:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:31:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__1 [2020-10-12 16:31:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__2 [2020-10-12 16:31:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:31:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:31:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:31:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:31:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:31:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:31:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:31:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:31:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:31:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:31:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:31:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:31:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:31:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:31:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:31:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:31:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:31:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:31:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:31:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:31:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:31:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:31:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:31:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:31:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:31:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:31:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:31:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:31:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:31:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:31:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:31:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:31:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:31:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:31:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:31:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:31:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:31:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:31:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:31:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:31:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:31:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:31:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:31:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:31:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:31:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:31:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:31:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:31:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:31:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:31:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:31:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:31:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:31:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:31:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:31:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:31:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:31:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:31:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:31:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:31:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:31:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:31:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:31:47,901 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:31:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:31:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:31:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:31:47,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:31:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:31:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:31:47,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:31:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:31:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:31:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:31:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:31:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:31:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:31:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:31:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:31:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:31:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:31:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__1 [2020-10-12 16:31:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:31:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__2 [2020-10-12 16:31:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:31:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:31:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:31:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:31:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:31:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:31:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:31:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:31:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:31:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:31:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:31:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:31:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:31:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:31:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:31:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:31:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:31:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:31:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:31:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:31:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:31:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:31:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:31:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:31:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:31:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:31:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:31:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:31:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:31:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-12 16:31:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:31:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:31:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:31:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-12 16:31:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:31:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:31:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:31:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:31:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:31:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:31:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:31:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:31:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:31:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:31:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:31:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:31:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:31:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:31:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:31:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:31:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:31:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:31:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:31:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:31:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:31:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:31:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:31:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:31:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:31:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:31:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:31:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:31:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:31:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:31:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:31:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:31:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:31:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:31:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:31:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:31:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:31:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:31:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:31:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:31:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:31:50,181 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:31:50,181 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:31:50,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:31:50 BoogieIcfgContainer [2020-10-12 16:31:50,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:31:50,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:31:50,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:31:50,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:31:50,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:31:46" (1/3) ... [2020-10-12 16:31:50,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d2a4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:31:50, skipping insertion in model container [2020-10-12 16:31:50,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:47" (2/3) ... [2020-10-12 16:31:50,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d2a4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:31:50, skipping insertion in model container [2020-10-12 16:31:50,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:31:50" (3/3) ... [2020-10-12 16:31:50,199 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product23.cil.c [2020-10-12 16:31:50,210 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:31:50,219 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:31:50,234 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:31:50,262 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:31:50,262 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:31:50,262 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:31:50,262 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:31:50,262 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:31:50,262 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:31:50,262 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:31:50,263 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:31:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states. [2020-10-12 16:31:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-12 16:31:50,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:31:50,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:31:50,345 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:31:50,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:31:50,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1416283797, now seen corresponding path program 1 times [2020-10-12 16:31:50,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:31:50,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494278070] [2020-10-12 16:31:50,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:31:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:50,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:51,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:51,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:51,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:51,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:51,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:52,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:52,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:53,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:55,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:55,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 16:31:55,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:31:55,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5081 [2020-10-12 16:31:55,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:31:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-12 16:31:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:31:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:31:56,997 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:31:57,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:31:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:57,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:57,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:57,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:57,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:57,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 16:31:57,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:57,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:57,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:57,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:57,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:31:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:57,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:57,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:57,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:31:57,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:57,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:31:57,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:57,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:57,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:57,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:57,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:57,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:31:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:57,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:57,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:57,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:31:57,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:31:57,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:57,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:57,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:31:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:57,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:57,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:57,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:57,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:57,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:31:57,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:57,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:31:57,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:31:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:57,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:57,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:57,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:31:57,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:57,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:31:57,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:57,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:57,270 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:31:57,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:31:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:57,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:57,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:57,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:57,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:57,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:58,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:31:58,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:31:58,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1055 [2020-10-12 16:31:58,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:58,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:31:58,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:31:58,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:31:58,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:58,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:58,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:58,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:58,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:31:58,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 16:31:58,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:31:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:31:58,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:58,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:31:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:58,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:58,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:31:58,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:31:58,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-12 16:31:58,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:31:58,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:58,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:31:58,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:58,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:31:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:58,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:58,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:58,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:58,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:31:58,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:31:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:31:58,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:58,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:31:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:58,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:58,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:31:59,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:31:59,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 496 [2020-10-12 16:31:59,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:31:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:31:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:31:59,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:59,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:31:59,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:31:59,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:31:59,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:59,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:31:59,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:31:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:31:59,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:31:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-12 16:31:59,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:31:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:31:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:31:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:59,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:31:59,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:31:59,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:59,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:31:59,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:31:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:31:59,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:31:59,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:31:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:31:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:59,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:31:59,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:31:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:31:59,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:31:59,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 16:31:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:31:59,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:31:59,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:59,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:31:59,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:59,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:31:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:59,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:31:59,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:31:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:31:59,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:31:59,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 16:31:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:31:59,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:31:59,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:59,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:59,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:31:59,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:59,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:31:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:59,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:31:59,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:59,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:31:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:31:59,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:59,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:31:59,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:31:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:59,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:59,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:31:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:59,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:59,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:59,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:31:59,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:31:59,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:31:59,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:59,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:31:59,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:59,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:31:59,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:32:00,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:32:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:00,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:00,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:00,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:00,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:32:00,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:32:00,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:32:00,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:00,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:00,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:32:00,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:00,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:00,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 16:32:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:00,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:00,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:00,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:32:00,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:00,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:32:00,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:00,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:00,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:32:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:00,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:32:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-12 16:32:00,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494278070] [2020-10-12 16:32:00,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:32:00,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:32:00,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324322471] [2020-10-12 16:32:00,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:32:00,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:32:00,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:32:00,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:32:00,152 INFO L87 Difference]: Start difference. First operand 816 states. Second operand 20 states. [2020-10-12 16:32:02,709 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:03,540 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:32:04,613 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:05,319 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:32:06,149 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:06,979 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:32:07,904 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:18,176 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:18,909 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:19,705 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:32:25,755 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:26,515 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:32:32,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:32:32,615 INFO L93 Difference]: Finished difference Result 1687 states and 2901 transitions. [2020-10-12 16:32:32,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 16:32:32,617 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 161 [2020-10-12 16:32:32,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:32:32,653 INFO L225 Difference]: With dead ends: 1687 [2020-10-12 16:32:32,653 INFO L226 Difference]: Without dead ends: 971 [2020-10-12 16:32:32,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=329, Invalid=1563, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 16:32:32,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2020-10-12 16:32:32,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 689. [2020-10-12 16:32:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-12 16:32:32,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1084 transitions. [2020-10-12 16:32:32,949 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1084 transitions. Word has length 161 [2020-10-12 16:32:32,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:32:32,950 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 1084 transitions. [2020-10-12 16:32:32,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:32:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1084 transitions. [2020-10-12 16:32:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-12 16:32:32,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:32:32,961 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:32:32,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:32:32,962 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:32:32,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:32:32,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1744553660, now seen corresponding path program 1 times [2020-10-12 16:32:32,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:32:32,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110607418] [2020-10-12 16:32:32,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:32:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:33,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:33,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:33,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:33,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:33,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:34,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:34,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:36,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:38,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 16:32:38,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:32:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-12 16:32:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:32:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 16:32:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:32:38,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:38,788 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:32:38,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:32:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:38,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:38,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:38,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:32:38,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:38,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 16:32:38,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:38,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:38,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:38,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:38,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:38,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:32:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:38,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:38,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:38,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:32:38,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:32:38,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:38,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:32:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:38,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:38,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:38,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:32:38,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:38,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:32:38,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:38,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:38,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:32:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:38,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:38,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:38,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:32:38,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:32:38,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:38,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:32:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:38,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:38,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:38,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:32:38,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:38,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:32:38,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:38,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:32:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:38,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:38,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:39,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:32:39,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:32:39,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-12 16:32:39,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:39,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:32:39,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:32:39,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:32:39,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:39,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:32:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:39,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:39,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:32:39,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:39,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:32:39,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:32:39,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:39,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:32:39,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:39,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:32:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:39,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:39,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:32:39,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:32:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 16:32:39,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:32:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:32:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:32:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:39,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:32:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:39,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:39,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:32:39,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:39,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:32:39,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:32:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:32:39,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:39,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:32:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:39,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:39,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:32:40,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:32:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-12 16:32:40,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:32:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:32:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:32:40,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:32:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:32:40,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:32:40,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:32:40,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:32:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:32:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:32:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:32:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:32:40,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:32:40,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-12 16:32:40,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:32:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:32:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:32:40,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:32:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:32:40,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:32:40,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:32:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:32:40,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:32:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:32:40,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:32:40,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:32:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:32:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:32:40,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:32:40,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:32:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:32:40,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:32:40,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 16:32:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:32:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:32:40,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:32:40,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:40,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:32:40,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:32:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:32:40,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:32:40,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:32:40,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:32:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:32:40,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:32:40,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:32:40,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:32:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:32:40,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:32:40,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 16:32:40,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:32:40,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:32:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:32:40,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:32:40,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:40,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:32:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:32:40,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:32:40,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:32:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:32:40,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:32:40,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:32:40,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:32:40,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:32:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:32:40,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:32:40,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:32:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:32:40,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:32:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:32:40,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:32:40,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:32:40,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:32:40,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:32:40,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:32:40,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 16:32:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 16:32:40,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:32:40,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:32:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:32:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:32:40,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:32:40,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:32:40,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:32:40,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:32:40,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:32:40,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:32:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:32:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:32:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:32:40,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:32:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 16:32:40,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110607418] [2020-10-12 16:32:40,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:32:40,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:32:40,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710622958] [2020-10-12 16:32:40,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:32:40,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:32:40,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:32:40,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:32:40,757 INFO L87 Difference]: Start difference. First operand 689 states and 1084 transitions. Second operand 21 states. [2020-10-12 16:32:43,283 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:44,002 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:32:44,766 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:32:45,502 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:46,207 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:46,959 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:47,695 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:32:48,489 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:49,511 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:32:51,519 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:52,248 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:33:00,669 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 16:33:02,065 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:33:02,807 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:33:03,596 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:33:17,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:33:17,908 INFO L93 Difference]: Finished difference Result 1644 states and 2765 transitions. [2020-10-12 16:33:17,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 16:33:17,908 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 164 [2020-10-12 16:33:17,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:33:17,921 INFO L225 Difference]: With dead ends: 1644 [2020-10-12 16:33:17,922 INFO L226 Difference]: Without dead ends: 976 [2020-10-12 16:33:17,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=386, Invalid=1966, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 16:33:17,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-10-12 16:33:18,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 696. [2020-10-12 16:33:18,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-10-12 16:33:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1089 transitions. [2020-10-12 16:33:18,102 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1089 transitions. Word has length 164 [2020-10-12 16:33:18,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:33:18,103 INFO L479 AbstractCegarLoop]: Abstraction has 696 states and 1089 transitions. [2020-10-12 16:33:18,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 16:33:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1089 transitions. [2020-10-12 16:33:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-12 16:33:18,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:33:18,109 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:33:18,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:33:18,110 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:33:18,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:33:18,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1744846403, now seen corresponding path program 1 times [2020-10-12 16:33:18,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:33:18,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697598107] [2020-10-12 16:33:18,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:33:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:18,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:18,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:18,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:18,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:19,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:20,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:23,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:23,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-12 16:33:23,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:33:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-12 16:33:23,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:33:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-12 16:33:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:33:23,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:23,931 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:33:23,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:33:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:23,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:23,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:23,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:23,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 16:33:23,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:24,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:33:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:24,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:24,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:33:24,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:24,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:33:24,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:24,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:24,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:24,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:33:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:24,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:24,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:33:24,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:24,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:33:24,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:24,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:33:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:24,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:24,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:24,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:24,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:33:24,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:24,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:33:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:24,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:24,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:33:24,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:33:24,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:24,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:24,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:33:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:24,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:24,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 16:33:24,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:33:24,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-12 16:33:24,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:33:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:33:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 16:33:24,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:33:24,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:24,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:24,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:33:24,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:24,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:33:24,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:24,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:33:24,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:24,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:33:24,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:24,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:33:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:24,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:24,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 16:33:24,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:33:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-12 16:33:24,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:33:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:33:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 16:33:24,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:24,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:33:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:24,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:24,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:33:24,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:33:24,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:33:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:33:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:24,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:33:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:24,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:24,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:33:25,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:33:25,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-12 16:33:25,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:33:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:33:25,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:33:25,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:33:25,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:33:25,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:33:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:33:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:33:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:33:25,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:33:25,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-12 16:33:25,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:33:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:33:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:33:25,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:33:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:33:25,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:33:25,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:33:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:33:25,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:33:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:33:25,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:33:25,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:33:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:33:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:25,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:33:25,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:25,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:33:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:33:25,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:33:25,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 16:33:25,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:33:25,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:33:25,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:33:25,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:33:25,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:33:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:25,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:33:25,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:25,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:33:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:33:25,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:33:25,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 16:33:25,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:33:25,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:33:25,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:33:25,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:33:25,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:33:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:25,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:33:25,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:33:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:33:25,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:33:25,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:33:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:33:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 16:33:25,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:33:25,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:33:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:33:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 16:33:25,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:33:25,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:33:25,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 16:33:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:25,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:25,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:25,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:25,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:33:25,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:33:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-12 16:33:25,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697598107] [2020-10-12 16:33:25,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:33:25,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 16:33:25,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436546071] [2020-10-12 16:33:25,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 16:33:25,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:33:25,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 16:33:25,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2020-10-12 16:33:25,684 INFO L87 Difference]: Start difference. First operand 696 states and 1089 transitions. Second operand 19 states. [2020-10-12 16:33:28,184 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:33:28,984 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:33:29,703 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:33:30,444 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:33:31,227 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:33:32,108 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:33:32,882 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:33:33,774 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:33:34,566 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:33:35,550 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:33:36,494 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:33:38,540 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:33:39,365 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:33:40,180 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:33:40,921 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:33:42,355 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:34:03,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:34:03,964 INFO L93 Difference]: Finished difference Result 1664 states and 2778 transitions. [2020-10-12 16:34:03,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 16:34:03,971 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 169 [2020-10-12 16:34:03,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:34:03,979 INFO L225 Difference]: With dead ends: 1664 [2020-10-12 16:34:03,979 INFO L226 Difference]: Without dead ends: 999 [2020-10-12 16:34:03,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=423, Invalid=2229, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 16:34:03,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-10-12 16:34:04,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 708. [2020-10-12 16:34:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2020-10-12 16:34:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 1105 transitions. [2020-10-12 16:34:04,148 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 1105 transitions. Word has length 169 [2020-10-12 16:34:04,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:34:04,149 INFO L479 AbstractCegarLoop]: Abstraction has 708 states and 1105 transitions. [2020-10-12 16:34:04,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 16:34:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1105 transitions. [2020-10-12 16:34:04,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 16:34:04,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:34:04,156 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:34:04,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 16:34:04,156 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:34:04,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:34:04,157 INFO L82 PathProgramCache]: Analyzing trace with hash 620822162, now seen corresponding path program 1 times [2020-10-12 16:34:04,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:34:04,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747292710] [2020-10-12 16:34:04,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:34:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:04,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:04,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:04,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:04,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:09,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:09,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:09,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 16:34:09,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:34:09,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 16:34:09,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 16:34:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:34:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 16:34:09,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:10,085 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:34:10,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:34:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:10,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:10,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:10,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:34:10,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 16:34:10,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:34:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:34:10,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:34:10,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:34:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:10,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:10,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:10,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:34:10,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:34:10,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:34:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:34:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:34:10,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:34:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:10,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:10,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:34:10,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:34:10,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:34:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:34:10,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:34:10,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:34:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:10,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:10,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:34:10,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:34:10,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:34:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:34:10,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:34:10,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:34:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:10,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:10,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:10,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:34:10,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:34:10,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:34:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:34:10,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:10,448 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:34:10,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:34:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:10,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:10,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:10,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:10,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:11,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 16:34:11,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:34:11,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-12 16:34:11,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:34:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:34:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:34:11,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:11,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:34:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:11,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:11,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:34:11,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:11,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:34:11,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:34:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:11,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:34:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:11,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:34:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:11,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:11,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 16:34:11,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:34:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 16:34:11,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:34:11,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:34:11,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 16:34:11,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:11,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 16:34:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:11,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:11,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:34:11,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:34:11,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:34:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:34:11,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:11,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:34:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:11,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:11,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 16:34:11,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:34:11,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-10-12 16:34:11,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:34:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:34:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 16:34:11,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:11,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:34:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:11,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:11,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:34:11,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:11,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:34:11,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:34:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:34:11,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:11,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:34:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:11,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:11,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 16:34:12,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:34:12,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 16:34:12,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:34:12,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:34:12,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:34:12,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:34:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:34:12,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:34:12,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:34:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:34:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:34:12,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:34:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:34:12,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:34:12,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:34:12,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:12,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:34:12,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:34:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:34:12,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:34:12,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:34:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:34:12,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:34:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:34:12,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 16:34:12,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:34:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:34:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 16:34:12,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:34:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:34:12,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:34:12,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:34:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 16:34:12,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:34:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:34:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:34:12,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:34:12,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:34:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:34:12,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:34:12,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:34:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:34:12,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:34:12,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:34:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:34:12,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:34:12,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:34:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:34:12,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:34:12,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:34:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 16:34:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:34:12,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:34:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:34:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:34:12,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:34:12,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:34:12,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:12,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:34:12,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:34:12,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:34:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:34:12,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:34:12,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:34:12,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:12,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:34:12,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:34:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:34:12,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:34:12,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:34:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:34:12,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:34:12,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:34:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:34:12,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:34:12,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:34:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:34:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:34:12,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:34:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 16:34:12,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:34:12,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:34:12,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:34:12,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:34:12,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:34:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 16:34:12,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:34:12,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:34:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:34:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:34:12,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:34:12,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 16:34:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:12,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:12,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:34:12,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:34:12,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:34:12,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:34:12,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:34:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:34:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:34:12,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:34:12,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:34:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-12 16:34:12,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747292710] [2020-10-12 16:34:12,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:34:12,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 16:34:12,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051612152] [2020-10-12 16:34:12,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 16:34:12,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:34:12,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 16:34:12,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2020-10-12 16:34:12,581 INFO L87 Difference]: Start difference. First operand 708 states and 1105 transitions. Second operand 22 states. [2020-10-12 16:34:14,978 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:34:16,089 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:16,869 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:17,665 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:18,475 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:19,223 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:34:20,064 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:20,888 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:34:22,323 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:24,818 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:34:25,094 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:34:26,008 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:34:26,916 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:34:27,729 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:34:28,633 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:34:29,450 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:34:30,601 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:34:34,030 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:34:38,401 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:34:39,258 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:34:40,037 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:40,948 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:42,503 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 390 DAG size of output: 384 [2020-10-12 16:34:48,451 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:34:49,162 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 16:35:08,414 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:35:09,413 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:35:10,213 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:35:11,152 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:35:12,012 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:35:13,398 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 388