/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/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a450319-1-144_1a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:08:12,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:08:12,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:08:12,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:08:12,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:08:12,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:08:12,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:08:12,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:08:12,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:08:12,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:08:12,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:08:12,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:08:12,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:08:12,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:08:12,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:08:12,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:08:12,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:08:12,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:08:12,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:08:12,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:08:12,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:08:12,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:08:12,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:08:12,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:08:12,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:08:12,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:08:12,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:08:12,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:08:12,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:08:12,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:08:12,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:08:12,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:08:12,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:08:12,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:08:12,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:08:12,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:08:12,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:08:12,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:08:12,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:08:12,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:08:12,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:08:12,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:08:12,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:08:12,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:08:12,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:08:12,117 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:08:12,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:08:12,118 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:08:12,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:08:12,118 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:08:12,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:08:12,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:08:12,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:08:12,120 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:08:12,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:08:12,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:08:12,120 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:08:12,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:08:12,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:08:12,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:08:12,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:08:12,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:08:12,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:08:12,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:08:12,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:08:12,123 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:08:12,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:08:12,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:08:12,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:08:12,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:08:12,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:08:12,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:08:12,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:08:12,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:08:12,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:08:12,126 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:08:12,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:08:12,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:08:12,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:08:12,127 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:08:12,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:08:12,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:08:12,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:08:12,430 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:08:12,430 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:08:12,431 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a450319-1-144_1a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-11-24 16:08:12,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6bdccca2/2f3d7fe9b572404f80fee13b70f0be7f/FLAG818c81198 [2019-11-24 16:08:13,247 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:08:13,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a450319-1-144_1a-drivers--input--tablet--acecad.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-11-24 16:08:13,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6bdccca2/2f3d7fe9b572404f80fee13b70f0be7f/FLAG818c81198 [2019-11-24 16:08:13,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6bdccca2/2f3d7fe9b572404f80fee13b70f0be7f [2019-11-24 16:08:13,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:08:13,341 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:08:13,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:08:13,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:08:13,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:08:13,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:08:13" (1/1) ... [2019-11-24 16:08:13,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1110cbdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:13, skipping insertion in model container [2019-11-24 16:08:13,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:08:13" (1/1) ... [2019-11-24 16:08:13,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:08:13,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:08:14,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:08:14,819 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:08:15,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:08:15,211 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:08:15,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15 WrapperNode [2019-11-24 16:08:15,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:08:15,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:08:15,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:08:15,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:08:15,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... [2019-11-24 16:08:15,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... [2019-11-24 16:08:15,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:08:15,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:08:15,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:08:15,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:08:15,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... [2019-11-24 16:08:15,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... [2019-11-24 16:08:15,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... [2019-11-24 16:08:15,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... [2019-11-24 16:08:15,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... [2019-11-24 16:08:15,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... [2019-11-24 16:08:15,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... [2019-11-24 16:08:15,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:08:15,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:08:15,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:08:15,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:08:15,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-24 16:08:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:08:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:08:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:08:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:08:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:08:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:08:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:08:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:08:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 16:08:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:08:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:08:29,401 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:08:29,401 INFO L284 CfgBuilder]: Removed 178 assume(true) statements. [2019-11-24 16:08:29,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:08:29 BoogieIcfgContainer [2019-11-24 16:08:29,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:08:29,404 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:08:29,404 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:08:29,404 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:08:29,405 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:08:29" (1/1) ... [2019-11-24 16:08:29,406 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 16:08:29,427 INFO L159 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-11-24 16:08:29,427 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:08:29,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:08:29,442 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:08:29,444 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:08:33,271 WARN L192 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-11-24 16:08:33,331 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:08:33,490 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-11-24 16:08:34,135 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-11-24 16:08:35,108 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 646 [2019-11-24 16:08:35,782 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-11-24 16:08:36,625 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-11-24 16:08:36,919 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-11-24 16:08:37,542 WARN L192 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 770 [2019-11-24 16:08:40,358 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:08:40,678 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 776 [2019-11-24 16:08:41,384 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 774 [2019-11-24 16:08:42,384 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 772 [2019-11-24 16:08:42,767 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:08:44,026 WARN L192 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-11-24 16:08:44,482 WARN L192 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-11-24 16:08:45,146 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-11-24 16:08:45,163 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60