java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:26:16,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:26:16,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:26:16,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:26:16,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:26:16,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:26:16,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:26:16,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:26:16,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:26:16,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:26:16,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:26:16,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:26:16,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:26:16,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:26:16,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:26:16,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:26:16,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:26:16,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:26:16,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:26:16,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:26:16,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:26:16,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:26:16,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:26:16,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:26:16,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 16:26:16,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:26:16,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:26:16,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:26:16,624 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 16:26:16,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:26:16,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:26:16,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:26:16,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:26:16,650 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:26:16,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:26:16,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:26:16,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:26:16,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:26:16,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:26:16,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:26:16,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:26:16,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:26:16,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:26:16,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:26:16,653 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:26:16,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:26:16,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:26:16,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:26:16,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:26:16,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:26:16,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:26:16,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:26:16,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:26:16,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:26:16,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:26:16,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:26:16,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:26:16,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 16:26:16,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:26:16,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:26:16,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:26:16,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:26:16,736 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:26:16,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-17 16:26:16,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7762fd48d/85554a6fbe6a48cb8314acc55373c72c/FLAG3f94a29dd [2019-09-17 16:26:17,230 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:26:17,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-17 16:26:17,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7762fd48d/85554a6fbe6a48cb8314acc55373c72c/FLAG3f94a29dd [2019-09-17 16:26:17,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7762fd48d/85554a6fbe6a48cb8314acc55373c72c [2019-09-17 16:26:17,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:26:17,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:26:17,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:26:17,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:26:17,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:26:17,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:26:17" (1/1) ... [2019-09-17 16:26:17,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110bff7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17, skipping insertion in model container [2019-09-17 16:26:17,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:26:17" (1/1) ... [2019-09-17 16:26:17,610 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:26:17,628 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:26:17,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:26:17,799 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:26:17,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:26:17,928 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:26:17,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17 WrapperNode [2019-09-17 16:26:17,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:26:17,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:26:17,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:26:17,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:26:17,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17" (1/1) ... [2019-09-17 16:26:17,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17" (1/1) ... [2019-09-17 16:26:17,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17" (1/1) ... [2019-09-17 16:26:17,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17" (1/1) ... [2019-09-17 16:26:17,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17" (1/1) ... [2019-09-17 16:26:17,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17" (1/1) ... [2019-09-17 16:26:17,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17" (1/1) ... [2019-09-17 16:26:17,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:26:17,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:26:17,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:26:17,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:26:17,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:17" (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 [2019-09-17 16:26:18,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:26:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:26:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-17 16:26:18,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:26:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:26:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 16:26:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-17 16:26:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:26:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:26:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:26:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 16:26:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:26:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:26:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:26:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:26:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:26:18,419 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:26:18,420 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-17 16:26:18,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:26:18 BoogieIcfgContainer [2019-09-17 16:26:18,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:26:18,421 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:26:18,421 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:26:18,422 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:26:18,423 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:26:18" (1/1) ... [2019-09-17 16:26:18,423 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 16:26:18,447 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:26:18,447 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:26:18,454 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:26:18,463 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:26:18,464 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:26:18,665 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:26:18,934 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-17 16:26:19,065 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:26:19,216 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-17 16:26:19,319 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-17 16:26:21,956 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2019-09-17 16:26:22,990 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 16:26:23,766 WARN L191 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 16:26:24,394 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 16:26:24,680 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2019-09-17 16:26:37,843 WARN L191 SmtUtils]: Spent 12.90 s on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2019-09-17 16:26:44,770 WARN L191 SmtUtils]: Spent 6.89 s on a formula simplification that was a NOOP. DAG size: 195 [2019-09-17 16:26:48,962 WARN L191 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 190 [2019-09-17 16:26:51,345 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 185 [2019-09-17 16:26:51,874 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 208 [2019-09-17 16:26:51,992 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-09-17 16:26:52,122 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-09-17 16:28:10,582 WARN L191 SmtUtils]: Spent 1.30 m on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2019-09-17 16:29:00,005 WARN L191 SmtUtils]: Spent 49.32 s on a formula simplification that was a NOOP. DAG size: 273 [2019-09-17 16:29:29,811 WARN L191 SmtUtils]: Spent 29.75 s on a formula simplification that was a NOOP. DAG size: 267 [2019-09-17 16:29:40,279 WARN L191 SmtUtils]: Spent 10.41 s on a formula simplification that was a NOOP. DAG size: 261 [2019-09-17 16:29:41,608 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 292 [2019-09-17 16:29:41,818 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2019-09-17 16:29:42,086 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2019-09-17 16:34:38,850 WARN L191 SmtUtils]: Spent 4.94 m on a formula simplification. DAG size of input: 357 DAG size of output: 355 [2019-09-17 16:38:42,814 WARN L191 SmtUtils]: Spent 4.06 m on a formula simplification that was a NOOP. DAG size: 368 [2019-09-17 16:40:28,026 WARN L191 SmtUtils]: Spent 1.75 m on a formula simplification that was a NOOP. DAG size: 361